Home / 10,618.50-15,944.19-5,697.75

Finding the Fourth Proportional to 10,618.50, 15,944.19 and 5,697.75

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Solution

The fourth proportional to 10,618.50, 15,944.19 and 5,697.75 is: 8,555.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,618.50 : 15,944.19 = 5,697.75 : x
  2. Step 2: Convert to fraction form
    10,618.50/15,944.19 = 5,697.75/x
  3. Step 3: Cross multiply
    10,618.50x = 15,944.19 × 5,697.75
  4. Step 4: Simplify right side
    10,618.50x = 90,846,008.57
  5. Step 5: Solve for x
    x = 90,846,008.57/10,618.50
  6. Step 6: Final answer
    x = 8,555.45

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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.