Home / 11,031.45-16,542.15-6,591.07

Finding the Fourth Proportional to 11,031.45, 16,542.15 and 6,591.07

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Solution

The fourth proportional to 11,031.45, 16,542.15 and 6,591.07 is: 9,883.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,031.45 : 16,542.15 = 6,591.07 : x
  2. Step 2: Convert to fraction form
    11,031.45/16,542.15 = 6,591.07/x
  3. Step 3: Cross multiply
    11,031.45x = 16,542.15 × 6,591.07
  4. Step 4: Simplify right side
    11,031.45x = 109,030,468.60
  5. Step 5: Solve for x
    x = 109,030,468.60/11,031.45
  6. Step 6: Final answer
    x = 9,883.60

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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.