Home / 10,204.62-14,082.34-5,728.80

Finding the Fourth Proportional to 10,204.62, 14,082.34 and 5,728.80

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Solution

The fourth proportional to 10,204.62, 14,082.34 and 5,728.80 is: 7,905.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,204.62 : 14,082.34 = 5,728.80 : x
  2. Step 2: Convert to fraction form
    10,204.62/14,082.34 = 5,728.80/x
  3. Step 3: Cross multiply
    10,204.62x = 14,082.34 × 5,728.80
  4. Step 4: Simplify right side
    10,204.62x = 80,674,909.39
  5. Step 5: Solve for x
    x = 80,674,909.39/10,204.62
  6. Step 6: Final answer
    x = 7,905.72

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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.