Home / 10,346.62-14,278.30-5,630.90

Finding the Fourth Proportional to 10,346.62, 14,278.30 and 5,630.90

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Solution

The fourth proportional to 10,346.62, 14,278.30 and 5,630.90 is: 7,770.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,346.62 : 14,278.30 = 5,630.90 : x
  2. Step 2: Convert to fraction form
    10,346.62/14,278.30 = 5,630.90/x
  3. Step 3: Cross multiply
    10,346.62x = 14,278.30 × 5,630.90
  4. Step 4: Simplify right side
    10,346.62x = 80,399,679.47
  5. Step 5: Solve for x
    x = 80,399,679.47/10,346.62
  6. Step 6: Final answer
    x = 7,770.62

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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.