Home / 12,428.28-18,616.86-6,572.52

Finding the Fourth Proportional to 12,428.28, 18,616.86 and 6,572.52

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Solution

The fourth proportional to 12,428.28, 18,616.86 and 6,572.52 is: 9,845.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,428.28 : 18,616.86 = 6,572.52 : x
  2. Step 2: Convert to fraction form
    12,428.28/18,616.86 = 6,572.52/x
  3. Step 3: Cross multiply
    12,428.28x = 18,616.86 × 6,572.52
  4. Step 4: Simplify right side
    12,428.28x = 122,359,684.69
  5. Step 5: Solve for x
    x = 122,359,684.69/12,428.28
  6. Step 6: Final answer
    x = 9,845.26

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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.