Home / 11,031.78-16,545.93-9,169.62

Finding the Fourth Proportional to 11,031.78, 16,545.93 and 9,169.62

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Solution

The fourth proportional to 11,031.78, 16,545.93 and 9,169.62 is: 13,752.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,031.78 : 16,545.93 = 9,169.62 : x
  2. Step 2: Convert to fraction form
    11,031.78/16,545.93 = 9,169.62/x
  3. Step 3: Cross multiply
    11,031.78x = 16,545.93 × 9,169.62
  4. Step 4: Simplify right side
    11,031.78x = 151,719,844.80
  5. Step 5: Solve for x
    x = 151,719,844.80/11,031.78
  6. Step 6: Final answer
    x = 13,752.98

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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.