Home / 15,513.40-23,270.10-14,310.55

Finding the Fourth Proportional to 15,513.40, 23,270.10 and 14,310.55

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Solution

The fourth proportional to 15,513.40, 23,270.10 and 14,310.55 is: 21,465.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,513.40 : 23,270.10 = 14,310.55 : x
  2. Step 2: Convert to fraction form
    15,513.40/23,270.10 = 14,310.55/x
  3. Step 3: Cross multiply
    15,513.40x = 23,270.10 × 14,310.55
  4. Step 4: Simplify right side
    15,513.40x = 333,007,929.56
  5. Step 5: Solve for x
    x = 333,007,929.56/15,513.40
  6. Step 6: Final answer
    x = 21,465.83

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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.