Home / 17,946.39-24,765.77-9,988.61

Finding the Fourth Proportional to 17,946.39, 24,765.77 and 9,988.61

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Solution

The fourth proportional to 17,946.39, 24,765.77 and 9,988.61 is: 13,784.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,946.39 : 24,765.77 = 9,988.61 : x
  2. Step 2: Convert to fraction form
    17,946.39/24,765.77 = 9,988.61/x
  3. Step 3: Cross multiply
    17,946.39x = 24,765.77 × 9,988.61
  4. Step 4: Simplify right side
    17,946.39x = 247,375,567.94
  5. Step 5: Solve for x
    x = 247,375,567.94/17,946.39
  6. Step 6: Final answer
    x = 13,784.14

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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.