Home / 10,120.32-15,178.76-2,723.13

Finding the Fourth Proportional to 10,120.32, 15,178.76 and 2,723.13

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Solution

The fourth proportional to 10,120.32, 15,178.76 and 2,723.13 is: 4,084.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120.32 : 15,178.76 = 2,723.13 : x
  2. Step 2: Convert to fraction form
    10,120.32/15,178.76 = 2,723.13/x
  3. Step 3: Cross multiply
    10,120.32x = 15,178.76 × 2,723.13
  4. Step 4: Simplify right side
    10,120.32x = 41,333,690.62
  5. Step 5: Solve for x
    x = 41,333,690.62/10,120.32
  6. Step 6: Final answer
    x = 4,084.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.