Home / 17,646.22-24,352.26-9,988.90

Finding the Fourth Proportional to 17,646.22, 24,352.26 and 9,988.90

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Solution

The fourth proportional to 17,646.22, 24,352.26 and 9,988.90 is: 13,784.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,646.22 : 24,352.26 = 9,988.90 : x
  2. Step 2: Convert to fraction form
    17,646.22/24,352.26 = 9,988.90/x
  3. Step 3: Cross multiply
    17,646.22x = 24,352.26 × 9,988.90
  4. Step 4: Simplify right side
    17,646.22x = 243,252,289.91
  5. Step 5: Solve for x
    x = 243,252,289.91/17,646.22
  6. Step 6: Final answer
    x = 13,784.95

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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.