Home / 16,686.56-25,010.40-9,287.48

Finding the Fourth Proportional to 16,686.56, 25,010.40 and 9,287.48

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Solution

The fourth proportional to 16,686.56, 25,010.40 and 9,287.48 is: 13,920.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,686.56 : 25,010.40 = 9,287.48 : x
  2. Step 2: Convert to fraction form
    16,686.56/25,010.40 = 9,287.48/x
  3. Step 3: Cross multiply
    16,686.56x = 25,010.40 × 9,287.48
  4. Step 4: Simplify right side
    16,686.56x = 232,283,687.15
  5. Step 5: Solve for x
    x = 232,283,687.15/16,686.56
  6. Step 6: Final answer
    x = 13,920.40

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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.