Home / 10,617.14-14,651.52-6,140.80

Finding the Fourth Proportional to 10,617.14, 14,651.52 and 6,140.80

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Solution

The fourth proportional to 10,617.14, 14,651.52 and 6,140.80 is: 8,474.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,617.14 : 14,651.52 = 6,140.80 : x
  2. Step 2: Convert to fraction form
    10,617.14/14,651.52 = 6,140.80/x
  3. Step 3: Cross multiply
    10,617.14x = 14,651.52 × 6,140.80
  4. Step 4: Simplify right side
    10,617.14x = 89,972,049.30
  5. Step 5: Solve for x
    x = 89,972,049.30/10,617.14
  6. Step 6: Final answer
    x = 8,474.22

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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.