Home / 22,287.57-30,752.29-13,208.93

Finding the Fourth Proportional to 22,287.57, 30,752.29 and 13,208.93

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Solution

The fourth proportional to 22,287.57, 30,752.29 and 13,208.93 is: 18,225.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,287.57 : 30,752.29 = 13,208.93 : x
  2. Step 2: Convert to fraction form
    22,287.57/30,752.29 = 13,208.93/x
  3. Step 3: Cross multiply
    22,287.57x = 30,752.29 × 13,208.93
  4. Step 4: Simplify right side
    22,287.57x = 406,204,845.95
  5. Step 5: Solve for x
    x = 406,204,845.95/22,287.57
  6. Step 6: Final answer
    x = 18,225.62

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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.