Home / 10,655.12-14,704.13-5,939.70

Finding the Fourth Proportional to 10,655.12, 14,704.13 and 5,939.70

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Solution

The fourth proportional to 10,655.12, 14,704.13 and 5,939.70 is: 8,196.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,655.12 : 14,704.13 = 5,939.70 : x
  2. Step 2: Convert to fraction form
    10,655.12/14,704.13 = 5,939.70/x
  3. Step 3: Cross multiply
    10,655.12x = 14,704.13 × 5,939.70
  4. Step 4: Simplify right side
    10,655.12x = 87,338,120.96
  5. Step 5: Solve for x
    x = 87,338,120.96/10,655.12
  6. Step 6: Final answer
    x = 8,196.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.