Home / 15,114.90-22,672.35-13,430.10

Finding the Fourth Proportional to 15,114.90, 22,672.35 and 13,430.10

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Solution

The fourth proportional to 15,114.90, 22,672.35 and 13,430.10 is: 20,145.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,114.90 : 22,672.35 = 13,430.10 : x
  2. Step 2: Convert to fraction form
    15,114.90/22,672.35 = 13,430.10/x
  3. Step 3: Cross multiply
    15,114.90x = 22,672.35 × 13,430.10
  4. Step 4: Simplify right side
    15,114.90x = 304,491,927.74
  5. Step 5: Solve for x
    x = 304,491,927.74/15,114.90
  6. Step 6: Final answer
    x = 20,145.15

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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.