Home / 11,151.70-16,711.35-9,499.30

Finding the Fourth Proportional to 11,151.70, 16,711.35 and 9,499.30

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Solution

The fourth proportional to 11,151.70, 16,711.35 and 9,499.30 is: 14,235.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,151.70 : 16,711.35 = 9,499.30 : x
  2. Step 2: Convert to fraction form
    11,151.70/16,711.35 = 9,499.30/x
  3. Step 3: Cross multiply
    11,151.70x = 16,711.35 × 9,499.30
  4. Step 4: Simplify right side
    11,151.70x = 158,746,127.06
  5. Step 5: Solve for x
    x = 158,746,127.06/11,151.70
  6. Step 6: Final answer
    x = 14,235.15

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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.