Home / 10,203.28-14,079.96-5,726.62

Finding the Fourth Proportional to 10,203.28, 14,079.96 and 5,726.62

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Solution

The fourth proportional to 10,203.28, 14,079.96 and 5,726.62 is: 7,902.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,203.28 : 14,079.96 = 5,726.62 : x
  2. Step 2: Convert to fraction form
    10,203.28/14,079.96 = 5,726.62/x
  3. Step 3: Cross multiply
    10,203.28x = 14,079.96 × 5,726.62
  4. Step 4: Simplify right side
    10,203.28x = 80,630,580.54
  5. Step 5: Solve for x
    x = 80,630,580.54/10,203.28
  6. Step 6: Final answer
    x = 7,902.42

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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.