Home / 9,031.18-13,539.47-8,302.18

Finding the Fourth Proportional to 9,031.18, 13,539.47 and 8,302.18

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Solution

The fourth proportional to 9,031.18, 13,539.47 and 8,302.18 is: 12,446.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,031.18 : 13,539.47 = 8,302.18 : x
  2. Step 2: Convert to fraction form
    9,031.18/13,539.47 = 8,302.18/x
  3. Step 3: Cross multiply
    9,031.18x = 13,539.47 × 8,302.18
  4. Step 4: Simplify right side
    9,031.18x = 112,407,049.35
  5. Step 5: Solve for x
    x = 112,407,049.35/9,031.18
  6. Step 6: Final answer
    x = 12,446.56

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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.