Home / 12,524.28-17,289.09-8,277.90

Finding the Fourth Proportional to 12,524.28, 17,289.09 and 8,277.90

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Solution

The fourth proportional to 12,524.28, 17,289.09 and 8,277.90 is: 11,427.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,524.28 : 17,289.09 = 8,277.90 : x
  2. Step 2: Convert to fraction form
    12,524.28/17,289.09 = 8,277.90/x
  3. Step 3: Cross multiply
    12,524.28x = 17,289.09 × 8,277.90
  4. Step 4: Simplify right side
    12,524.28x = 143,117,358.11
  5. Step 5: Solve for x
    x = 143,117,358.11/12,524.28
  6. Step 6: Final answer
    x = 11,427.19

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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.