Home / 17,739.45-24,480.63-9,781.95

Finding the Fourth Proportional to 17,739.45, 24,480.63 and 9,781.95

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Solution

The fourth proportional to 17,739.45, 24,480.63 and 9,781.95 is: 13,499.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,739.45 : 24,480.63 = 9,781.95 : x
  2. Step 2: Convert to fraction form
    17,739.45/24,480.63 = 9,781.95/x
  3. Step 3: Cross multiply
    17,739.45x = 24,480.63 × 9,781.95
  4. Step 4: Simplify right side
    17,739.45x = 239,468,298.63
  5. Step 5: Solve for x
    x = 239,468,298.63/17,739.45
  6. Step 6: Final answer
    x = 13,499.20

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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.