Home / 22,605.42-31,195.60-13,045.71

Finding the Fourth Proportional to 22,605.42, 31,195.60 and 13,045.71

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Solution

The fourth proportional to 22,605.42, 31,195.60 and 13,045.71 is: 18,003.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,605.42 : 31,195.60 = 13,045.71 : x
  2. Step 2: Convert to fraction form
    22,605.42/31,195.60 = 13,045.71/x
  3. Step 3: Cross multiply
    22,605.42x = 31,195.60 × 13,045.71
  4. Step 4: Simplify right side
    22,605.42x = 406,968,750.88
  5. Step 5: Solve for x
    x = 406,968,750.88/22,605.42
  6. Step 6: Final answer
    x = 18,003.15

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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.