Home / 11,031.20-16,546.08-6,103.20

Finding the Fourth Proportional to 11,031.20, 16,546.08 and 6,103.20

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Solution

The fourth proportional to 11,031.20, 16,546.08 and 6,103.20 is: 9,154.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,031.20 : 16,546.08 = 6,103.20 : x
  2. Step 2: Convert to fraction form
    11,031.20/16,546.08 = 6,103.20/x
  3. Step 3: Cross multiply
    11,031.20x = 16,546.08 × 6,103.20
  4. Step 4: Simplify right side
    11,031.20x = 100,984,035.46
  5. Step 5: Solve for x
    x = 100,984,035.46/11,031.20
  6. Step 6: Final answer
    x = 9,154.40

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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.