Home / 12,724.06-17,559.20-7,417.86

Finding the Fourth Proportional to 12,724.06, 17,559.20 and 7,417.86

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Solution

The fourth proportional to 12,724.06, 17,559.20 and 7,417.86 is: 10,236.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,724.06 : 17,559.20 = 7,417.86 : x
  2. Step 2: Convert to fraction form
    12,724.06/17,559.20 = 7,417.86/x
  3. Step 3: Cross multiply
    12,724.06x = 17,559.20 × 7,417.86
  4. Step 4: Simplify right side
    12,724.06x = 130,251,687.31
  5. Step 5: Solve for x
    x = 130,251,687.31/12,724.06
  6. Step 6: Final answer
    x = 10,236.65

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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.