Home / 12,572.28-17,340.02-9,213.84

Finding the Fourth Proportional to 12,572.28, 17,340.02 and 9,213.84

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Solution

The fourth proportional to 12,572.28, 17,340.02 and 9,213.84 is: 12,707.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,572.28 : 17,340.02 = 9,213.84 : x
  2. Step 2: Convert to fraction form
    12,572.28/17,340.02 = 9,213.84/x
  3. Step 3: Cross multiply
    12,572.28x = 17,340.02 × 9,213.84
  4. Step 4: Simplify right side
    12,572.28x = 159,768,169.88
  5. Step 5: Solve for x
    x = 159,768,169.88/12,572.28
  6. Step 6: Final answer
    x = 12,707.97

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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.