Home / 10,627.81-15,944.28-5,079.58

Finding the Fourth Proportional to 10,627.81, 15,944.28 and 5,079.58

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Solution

The fourth proportional to 10,627.81, 15,944.28 and 5,079.58 is: 7,620.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,627.81 : 15,944.28 = 5,079.58 : x
  2. Step 2: Convert to fraction form
    10,627.81/15,944.28 = 5,079.58/x
  3. Step 3: Cross multiply
    10,627.81x = 15,944.28 × 5,079.58
  4. Step 4: Simplify right side
    10,627.81x = 80,990,245.80
  5. Step 5: Solve for x
    x = 80,990,245.80/10,627.81
  6. Step 6: Final answer
    x = 7,620.60

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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.