Home / 10,716.39-14,789.50-6,240.53

Finding the Fourth Proportional to 10,716.39, 14,789.50 and 6,240.53

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Solution

The fourth proportional to 10,716.39, 14,789.50 and 6,240.53 is: 8,612.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,716.39 : 14,789.50 = 6,240.53 : x
  2. Step 2: Convert to fraction form
    10,716.39/14,789.50 = 6,240.53/x
  3. Step 3: Cross multiply
    10,716.39x = 14,789.50 × 6,240.53
  4. Step 4: Simplify right side
    10,716.39x = 92,294,318.44
  5. Step 5: Solve for x
    x = 92,294,318.44/10,716.39
  6. Step 6: Final answer
    x = 8,612.44

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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.