Home / 15,442.77-23,146.09-13,691.13

Finding the Fourth Proportional to 15,442.77, 23,146.09 and 13,691.13

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Solution

The fourth proportional to 15,442.77, 23,146.09 and 13,691.13 is: 20,520.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,442.77 : 23,146.09 = 13,691.13 : x
  2. Step 2: Convert to fraction form
    15,442.77/23,146.09 = 13,691.13/x
  3. Step 3: Cross multiply
    15,442.77x = 23,146.09 × 13,691.13
  4. Step 4: Simplify right side
    15,442.77x = 316,896,006.16
  5. Step 5: Solve for x
    x = 316,896,006.16/15,442.77
  6. Step 6: Final answer
    x = 20,520.67

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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.