Home / 15,490.38-23,323.17-13,653.30

Finding the Fourth Proportional to 15,490.38, 23,323.17 and 13,653.30

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Solution

The fourth proportional to 15,490.38, 23,323.17 and 13,653.30 is: 20,557.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,490.38 : 23,323.17 = 13,653.30 : x
  2. Step 2: Convert to fraction form
    15,490.38/23,323.17 = 13,653.30/x
  3. Step 3: Cross multiply
    15,490.38x = 23,323.17 × 13,653.30
  4. Step 4: Simplify right side
    15,490.38x = 318,438,236.96
  5. Step 5: Solve for x
    x = 318,438,236.96/15,490.38
  6. Step 6: Final answer
    x = 20,557.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.