Home / 12,559.28-17,334.08-8,578.96

Finding the Fourth Proportional to 12,559.28, 17,334.08 and 8,578.96

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Solution

The fourth proportional to 12,559.28, 17,334.08 and 8,578.96 is: 11,840.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,559.28 : 17,334.08 = 8,578.96 : x
  2. Step 2: Convert to fraction form
    12,559.28/17,334.08 = 8,578.96/x
  3. Step 3: Cross multiply
    12,559.28x = 17,334.08 × 8,578.96
  4. Step 4: Simplify right side
    12,559.28x = 148,708,378.96
  5. Step 5: Solve for x
    x = 148,708,378.96/12,559.28
  6. Step 6: Final answer
    x = 11,840.52

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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.