Home / 19,632.24-29,418.12-12,216.96

Finding the Fourth Proportional to 19,632.24, 29,418.12 and 12,216.96

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Solution

The fourth proportional to 19,632.24, 29,418.12 and 12,216.96 is: 18,306.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,632.24 : 29,418.12 = 12,216.96 : x
  2. Step 2: Convert to fraction form
    19,632.24/29,418.12 = 12,216.96/x
  3. Step 3: Cross multiply
    19,632.24x = 29,418.12 × 12,216.96
  4. Step 4: Simplify right side
    19,632.24x = 359,399,995.32
  5. Step 5: Solve for x
    x = 359,399,995.32/19,632.24
  6. Step 6: Final answer
    x = 18,306.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.