Home / 22,096.17-30,482.62-13,138.57

Finding the Fourth Proportional to 22,096.17, 30,482.62 and 13,138.57

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Solution

The fourth proportional to 22,096.17, 30,482.62 and 13,138.57 is: 18,125.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,096.17 : 30,482.62 = 13,138.57 : x
  2. Step 2: Convert to fraction form
    22,096.17/30,482.62 = 13,138.57/x
  3. Step 3: Cross multiply
    22,096.17x = 30,482.62 × 13,138.57
  4. Step 4: Simplify right side
    22,096.17x = 400,498,036.65
  5. Step 5: Solve for x
    x = 400,498,036.65/22,096.17
  6. Step 6: Final answer
    x = 18,125.22

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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.