Home / 11,331.59-16,988.40-4,310.19

Finding the Fourth Proportional to 11,331.59, 16,988.40 and 4,310.19

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Solution

The fourth proportional to 11,331.59, 16,988.40 and 4,310.19 is: 6,461.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.59 : 16,988.40 = 4,310.19 : x
  2. Step 2: Convert to fraction form
    11,331.59/16,988.40 = 4,310.19/x
  3. Step 3: Cross multiply
    11,331.59x = 16,988.40 × 4,310.19
  4. Step 4: Simplify right side
    11,331.59x = 73,223,231.80
  5. Step 5: Solve for x
    x = 73,223,231.80/11,331.59
  6. Step 6: Final answer
    x = 6,461.87

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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.