Home / 10,366.05-15,549.08-10,279.65

Finding the Fourth Proportional to 10,366.05, 15,549.08 and 10,279.65

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Solution

The fourth proportional to 10,366.05, 15,549.08 and 10,279.65 is: 15,419.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.05 : 15,549.08 = 10,279.65 : x
  2. Step 2: Convert to fraction form
    10,366.05/15,549.08 = 10,279.65/x
  3. Step 3: Cross multiply
    10,366.05x = 15,549.08 × 10,279.65
  4. Step 4: Simplify right side
    10,366.05x = 159,839,048.82
  5. Step 5: Solve for x
    x = 159,839,048.82/10,366.05
  6. Step 6: Final answer
    x = 15,419.48

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Similar ratio
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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.