Home / 14,531.38-21,753.06-13,145.32

Finding the Fourth Proportional to 14,531.38, 21,753.06 and 13,145.32

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Solution

The fourth proportional to 14,531.38, 21,753.06 and 13,145.32 is: 19,678.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,531.38 : 21,753.06 = 13,145.32 : x
  2. Step 2: Convert to fraction form
    14,531.38/21,753.06 = 13,145.32/x
  3. Step 3: Cross multiply
    14,531.38x = 21,753.06 × 13,145.32
  4. Step 4: Simplify right side
    14,531.38x = 285,950,934.68
  5. Step 5: Solve for x
    x = 285,950,934.68/14,531.38
  6. Step 6: Final answer
    x = 19,678.17

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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.