Home / 15,479.67-23,219.50-6,239.19

Finding the Fourth Proportional to 15,479.67, 23,219.50 and 6,239.19

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Solution

The fourth proportional to 15,479.67, 23,219.50 and 6,239.19 is: 9,358.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,479.67 : 23,219.50 = 6,239.19 : x
  2. Step 2: Convert to fraction form
    15,479.67/23,219.50 = 6,239.19/x
  3. Step 3: Cross multiply
    15,479.67x = 23,219.50 × 6,239.19
  4. Step 4: Simplify right side
    15,479.67x = 144,870,872.21
  5. Step 5: Solve for x
    x = 144,870,872.21/15,479.67
  6. Step 6: Final answer
    x = 9,358.78

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Double scale
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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.