Home / 12,713.28-17,533.97-8,948.94

Finding the Fourth Proportional to 12,713.28, 17,533.97 and 8,948.94

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Solution

The fourth proportional to 12,713.28, 17,533.97 and 8,948.94 is: 12,342.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,713.28 : 17,533.97 = 8,948.94 : x
  2. Step 2: Convert to fraction form
    12,713.28/17,533.97 = 8,948.94/x
  3. Step 3: Cross multiply
    12,713.28x = 17,533.97 × 8,948.94
  4. Step 4: Simplify right side
    12,713.28x = 156,910,400.75
  5. Step 5: Solve for x
    x = 156,910,400.75/12,713.28
  6. Step 6: Final answer
    x = 12,342.24

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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.