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Finding the Fourth Proportional to 10,232.60, 15,327.30 and 8,029.40

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Solution

The fourth proportional to 10,232.60, 15,327.30 and 8,029.40 is: 12,027.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,232.60 : 15,327.30 = 8,029.40 : x
  2. Step 2: Convert to fraction form
    10,232.60/15,327.30 = 8,029.40/x
  3. Step 3: Cross multiply
    10,232.60x = 15,327.30 × 8,029.40
  4. Step 4: Simplify right side
    10,232.60x = 123,069,022.62
  5. Step 5: Solve for x
    x = 123,069,022.62/10,232.60
  6. Step 6: Final answer
    x = 12,027.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.