Home / 12,724.32-17,566.92-8,474.28

Finding the Fourth Proportional to 12,724.32, 17,566.92 and 8,474.28

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Solution

The fourth proportional to 12,724.32, 17,566.92 and 8,474.28 is: 11,699.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,724.32 : 17,566.92 = 8,474.28 : x
  2. Step 2: Convert to fraction form
    12,724.32/17,566.92 = 8,474.28/x
  3. Step 3: Cross multiply
    12,724.32x = 17,566.92 × 8,474.28
  4. Step 4: Simplify right side
    12,724.32x = 148,866,998.82
  5. Step 5: Solve for x
    x = 148,866,998.82/12,724.32
  6. Step 6: Final answer
    x = 11,699.41

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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.