Home / 22,618.20-31,210.80-12,544.02

Finding the Fourth Proportional to 22,618.20, 31,210.80 and 12,544.02

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Solution

The fourth proportional to 22,618.20, 31,210.80 and 12,544.02 is: 17,309.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,618.20 : 31,210.80 = 12,544.02 : x
  2. Step 2: Convert to fraction form
    22,618.20/31,210.80 = 12,544.02/x
  3. Step 3: Cross multiply
    22,618.20x = 31,210.80 × 12,544.02
  4. Step 4: Simplify right side
    22,618.20x = 391,508,899.42
  5. Step 5: Solve for x
    x = 391,508,899.42/22,618.20
  6. Step 6: Final answer
    x = 17,309.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.