Home / 12,591.26-18,862.25-9,655.21

Finding the Fourth Proportional to 12,591.26, 18,862.25 and 9,655.21

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Solution

The fourth proportional to 12,591.26, 18,862.25 and 9,655.21 is: 14,463.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,591.26 : 18,862.25 = 9,655.21 : x
  2. Step 2: Convert to fraction form
    12,591.26/18,862.25 = 9,655.21/x
  3. Step 3: Cross multiply
    12,591.26x = 18,862.25 × 9,655.21
  4. Step 4: Simplify right side
    12,591.26x = 182,118,889.39
  5. Step 5: Solve for x
    x = 182,118,889.39/12,591.26
  6. Step 6: Final answer
    x = 14,463.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.