Home / 22,275.21-30,728.13-13,774.62

Finding the Fourth Proportional to 22,275.21, 30,728.13 and 13,774.62

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Solution

The fourth proportional to 22,275.21, 30,728.13 and 13,774.62 is: 19,001.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,275.21 : 30,728.13 = 13,774.62 : x
  2. Step 2: Convert to fraction form
    22,275.21/30,728.13 = 13,774.62/x
  3. Step 3: Cross multiply
    22,275.21x = 30,728.13 × 13,774.62
  4. Step 4: Simplify right side
    22,275.21x = 423,268,245.19
  5. Step 5: Solve for x
    x = 423,268,245.19/22,275.21
  6. Step 6: Final answer
    x = 19,001.76

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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.