Home / 22,506.20-31,060.44-13,074.20

Finding the Fourth Proportional to 22,506.20, 31,060.44 and 13,074.20

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Solution

The fourth proportional to 22,506.20, 31,060.44 and 13,074.20 is: 18,043.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,506.20 : 31,060.44 = 13,074.20 : x
  2. Step 2: Convert to fraction form
    22,506.20/31,060.44 = 13,074.20/x
  3. Step 3: Cross multiply
    22,506.20x = 31,060.44 × 13,074.20
  4. Step 4: Simplify right side
    22,506.20x = 406,090,404.65
  5. Step 5: Solve for x
    x = 406,090,404.65/22,506.20
  6. Step 6: Final answer
    x = 18,043.49

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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.