Home / 10,505.88-14,499.79-6,257.14

Finding the Fourth Proportional to 10,505.88, 14,499.79 and 6,257.14

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Solution

The fourth proportional to 10,505.88, 14,499.79 and 6,257.14 is: 8,635.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,505.88 : 14,499.79 = 6,257.14 : x
  2. Step 2: Convert to fraction form
    10,505.88/14,499.79 = 6,257.14/x
  3. Step 3: Cross multiply
    10,505.88x = 14,499.79 × 6,257.14
  4. Step 4: Simplify right side
    10,505.88x = 90,727,164.11
  5. Step 5: Solve for x
    x = 90,727,164.11/10,505.88
  6. Step 6: Final answer
    x = 8,635.85

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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.