Home / 10,544.62-15,817.61-5,278.05

Finding the Fourth Proportional to 10,544.62, 15,817.61 and 5,278.05

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Solution

The fourth proportional to 10,544.62, 15,817.61 and 5,278.05 is: 7,917.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,544.62 : 15,817.61 = 5,278.05 : x
  2. Step 2: Convert to fraction form
    10,544.62/15,817.61 = 5,278.05/x
  3. Step 3: Cross multiply
    10,544.62x = 15,817.61 × 5,278.05
  4. Step 4: Simplify right side
    10,544.62x = 83,486,136.46
  5. Step 5: Solve for x
    x = 83,486,136.46/10,544.62
  6. Step 6: Final answer
    x = 7,917.42

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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.