Home / 17,739.32-24,479.14-9,781.60

Finding the Fourth Proportional to 17,739.32, 24,479.14 and 9,781.60

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Solution

The fourth proportional to 17,739.32, 24,479.14 and 9,781.60 is: 13,497.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,739.32 : 24,479.14 = 9,781.60 : x
  2. Step 2: Convert to fraction form
    17,739.32/24,479.14 = 9,781.60/x
  3. Step 3: Cross multiply
    17,739.32x = 24,479.14 × 9,781.60
  4. Step 4: Simplify right side
    17,739.32x = 239,445,155.82
  5. Step 5: Solve for x
    x = 239,445,155.82/17,739.32
  6. Step 6: Final answer
    x = 13,497.99

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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.