Home / 11,151.30-16,747.80-9,817.59

Finding the Fourth Proportional to 11,151.30, 16,747.80 and 9,817.59

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Solution

The fourth proportional to 11,151.30, 16,747.80 and 9,817.59 is: 14,744.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,151.30 : 16,747.80 = 9,817.59 : x
  2. Step 2: Convert to fraction form
    11,151.30/16,747.80 = 9,817.59/x
  3. Step 3: Cross multiply
    11,151.30x = 16,747.80 × 9,817.59
  4. Step 4: Simplify right side
    11,151.30x = 164,423,033.80
  5. Step 5: Solve for x
    x = 164,423,033.80/11,151.30
  6. Step 6: Final answer
    x = 14,744.74

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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.