Home / 15,423.70-23,135.55-4,330.75

Finding the Fourth Proportional to 15,423.70, 23,135.55 and 4,330.75

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Solution

The fourth proportional to 15,423.70, 23,135.55 and 4,330.75 is: 6,496.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,423.70 : 23,135.55 = 4,330.75 : x
  2. Step 2: Convert to fraction form
    15,423.70/23,135.55 = 4,330.75/x
  3. Step 3: Cross multiply
    15,423.70x = 23,135.55 × 4,330.75
  4. Step 4: Simplify right side
    15,423.70x = 100,194,283.16
  5. Step 5: Solve for x
    x = 100,194,283.16/15,423.70
  6. Step 6: Final answer
    x = 6,496.13

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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.