Home / 22,245.14-30,695.27-13,290.75

Finding the Fourth Proportional to 22,245.14, 30,695.27 and 13,290.75

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Solution

The fourth proportional to 22,245.14, 30,695.27 and 13,290.75 is: 18,339.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,245.14 : 30,695.27 = 13,290.75 : x
  2. Step 2: Convert to fraction form
    22,245.14/30,695.27 = 13,290.75/x
  3. Step 3: Cross multiply
    22,245.14x = 30,695.27 × 13,290.75
  4. Step 4: Simplify right side
    22,245.14x = 407,963,159.75
  5. Step 5: Solve for x
    x = 407,963,159.75/22,245.14
  6. Step 6: Final answer
    x = 18,339.43

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Double scale
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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.