Home / 17,888.64-24,686.14-9,930.66

Finding the Fourth Proportional to 17,888.64, 24,686.14 and 9,930.66

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Solution

The fourth proportional to 17,888.64, 24,686.14 and 9,930.66 is: 13,704.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,888.64 : 24,686.14 = 9,930.66 : x
  2. Step 2: Convert to fraction form
    17,888.64/24,686.14 = 9,930.66/x
  3. Step 3: Cross multiply
    17,888.64x = 24,686.14 × 9,930.66
  4. Step 4: Simplify right side
    17,888.64x = 245,149,663.05
  5. Step 5: Solve for x
    x = 245,149,663.05/17,888.64
  6. Step 6: Final answer
    x = 13,704.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.