Home / 10,371.28-15,523.35-5,620.96

Finding the Fourth Proportional to 10,371.28, 15,523.35 and 5,620.96

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Solution

The fourth proportional to 10,371.28, 15,523.35 and 5,620.96 is: 8,413.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371.28 : 15,523.35 = 5,620.96 : x
  2. Step 2: Convert to fraction form
    10,371.28/15,523.35 = 5,620.96/x
  3. Step 3: Cross multiply
    10,371.28x = 15,523.35 × 5,620.96
  4. Step 4: Simplify right side
    10,371.28x = 87,256,129.42
  5. Step 5: Solve for x
    x = 87,256,129.42/10,371.28
  6. Step 6: Final answer
    x = 8,413.25

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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.