Home / 10,780.70-14,877.68-6,064.88

Finding the Fourth Proportional to 10,780.70, 14,877.68 and 6,064.88

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Solution

The fourth proportional to 10,780.70, 14,877.68 and 6,064.88 is: 8,369.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780.70 : 14,877.68 = 6,064.88 : x
  2. Step 2: Convert to fraction form
    10,780.70/14,877.68 = 6,064.88/x
  3. Step 3: Cross multiply
    10,780.70x = 14,877.68 × 6,064.88
  4. Step 4: Simplify right side
    10,780.70x = 90,231,239.17
  5. Step 5: Solve for x
    x = 90,231,239.17/10,780.70
  6. Step 6: Final answer
    x = 8,369.71

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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.