Home / 12,337.28-17,010.60-8,563.68

Finding the Fourth Proportional to 12,337.28, 17,010.60 and 8,563.68

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Solution

The fourth proportional to 12,337.28, 17,010.60 and 8,563.68 is: 11,807.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,337.28 : 17,010.60 = 8,563.68 : x
  2. Step 2: Convert to fraction form
    12,337.28/17,010.60 = 8,563.68/x
  3. Step 3: Cross multiply
    12,337.28x = 17,010.60 × 8,563.68
  4. Step 4: Simplify right side
    12,337.28x = 145,673,335.01
  5. Step 5: Solve for x
    x = 145,673,335.01/12,337.28
  6. Step 6: Final answer
    x = 11,807.57

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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.