Home / 15,490.38-23,083.11-14,555.34

Finding the Fourth Proportional to 15,490.38, 23,083.11 and 14,555.34

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Solution

The fourth proportional to 15,490.38, 23,083.11 and 14,555.34 is: 21,689.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,490.38 : 23,083.11 = 14,555.34 : x
  2. Step 2: Convert to fraction form
    15,490.38/23,083.11 = 14,555.34/x
  3. Step 3: Cross multiply
    15,490.38x = 23,083.11 × 14,555.34
  4. Step 4: Simplify right side
    15,490.38x = 335,982,514.31
  5. Step 5: Solve for x
    x = 335,982,514.31/15,490.38
  6. Step 6: Final answer
    x = 21,689.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.