Home / 12,305.28-18,424.96-6,449.52

Finding the Fourth Proportional to 12,305.28, 18,424.96 and 6,449.52

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Solution

The fourth proportional to 12,305.28, 18,424.96 and 6,449.52 is: 9,657.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,305.28 : 18,424.96 = 6,449.52 : x
  2. Step 2: Convert to fraction form
    12,305.28/18,424.96 = 6,449.52/x
  3. Step 3: Cross multiply
    12,305.28x = 18,424.96 × 6,449.52
  4. Step 4: Simplify right side
    12,305.28x = 118,832,148.02
  5. Step 5: Solve for x
    x = 118,832,148.02/12,305.28
  6. Step 6: Final answer
    x = 9,657.00

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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.