Home / 12,332.12-17,032.50-8,989.88

Finding the Fourth Proportional to 12,332.12, 17,032.50 and 8,989.88

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Solution

The fourth proportional to 12,332.12, 17,032.50 and 8,989.88 is: 12,416.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,332.12 : 17,032.50 = 8,989.88 : x
  2. Step 2: Convert to fraction form
    12,332.12/17,032.50 = 8,989.88/x
  3. Step 3: Cross multiply
    12,332.12x = 17,032.50 × 8,989.88
  4. Step 4: Simplify right side
    12,332.12x = 153,120,131.10
  5. Step 5: Solve for x
    x = 153,120,131.10/12,332.12
  6. Step 6: Final answer
    x = 12,416.37

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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.