Home / 15,615.62-23,423.46-6,381.62

Finding the Fourth Proportional to 15,615.62, 23,423.46 and 6,381.62

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Solution

The fourth proportional to 15,615.62, 23,423.46 and 6,381.62 is: 9,572.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,615.62 : 23,423.46 = 6,381.62 : x
  2. Step 2: Convert to fraction form
    15,615.62/23,423.46 = 6,381.62/x
  3. Step 3: Cross multiply
    15,615.62x = 23,423.46 × 6,381.62
  4. Step 4: Simplify right side
    15,615.62x = 149,479,620.81
  5. Step 5: Solve for x
    x = 149,479,620.81/15,615.62
  6. Step 6: Final answer
    x = 9,572.44

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Half scale
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Double scale
Find fourth proportional to 15,616.62, 23,424.96 and 6,382.62
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.