Home / 11,436.76-17,155.14-6,239.80

Finding the Fourth Proportional to 11,436.76, 17,155.14 and 6,239.80

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Solution

The fourth proportional to 11,436.76, 17,155.14 and 6,239.80 is: 9,359.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,436.76 : 17,155.14 = 6,239.80 : x
  2. Step 2: Convert to fraction form
    11,436.76/17,155.14 = 6,239.80/x
  3. Step 3: Cross multiply
    11,436.76x = 17,155.14 × 6,239.80
  4. Step 4: Simplify right side
    11,436.76x = 107,044,642.57
  5. Step 5: Solve for x
    x = 107,044,642.57/11,436.76
  6. Step 6: Final answer
    x = 9,359.70

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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.