Home / 14,387.46-21,552.31-11,430.75

Finding the Fourth Proportional to 14,387.46, 21,552.31 and 11,430.75

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Solution

The fourth proportional to 14,387.46, 21,552.31 and 11,430.75 is: 17,123.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,387.46 : 21,552.31 = 11,430.75 : x
  2. Step 2: Convert to fraction form
    14,387.46/21,552.31 = 11,430.75/x
  3. Step 3: Cross multiply
    14,387.46x = 21,552.31 × 11,430.75
  4. Step 4: Simplify right side
    14,387.46x = 246,359,067.53
  5. Step 5: Solve for x
    x = 246,359,067.53/14,387.46
  6. Step 6: Final answer
    x = 17,123.18

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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.