Home / 10,200.68-14,077.19-5,724.79

Finding the Fourth Proportional to 10,200.68, 14,077.19 and 5,724.79

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Solution

The fourth proportional to 10,200.68, 14,077.19 and 5,724.79 is: 7,900.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,200.68 : 14,077.19 = 5,724.79 : x
  2. Step 2: Convert to fraction form
    10,200.68/14,077.19 = 5,724.79/x
  3. Step 3: Cross multiply
    10,200.68x = 14,077.19 × 5,724.79
  4. Step 4: Simplify right side
    10,200.68x = 80,588,935.66
  5. Step 5: Solve for x
    x = 80,588,935.66/10,200.68
  6. Step 6: Final answer
    x = 7,900.35

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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.