Home / 12,531.45-18,760.27-9,259.16

Finding the Fourth Proportional to 12,531.45, 18,760.27 and 9,259.16

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Solution

The fourth proportional to 12,531.45, 18,760.27 and 9,259.16 is: 13,861.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531.45 : 18,760.27 = 9,259.16 : x
  2. Step 2: Convert to fraction form
    12,531.45/18,760.27 = 9,259.16/x
  3. Step 3: Cross multiply
    12,531.45x = 18,760.27 × 9,259.16
  4. Step 4: Simplify right side
    12,531.45x = 173,704,224.62
  5. Step 5: Solve for x
    x = 173,704,224.62/12,531.45
  6. Step 6: Final answer
    x = 13,861.46

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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.