Home / 10,447.26-15,670.90-3,521.76

Finding the Fourth Proportional to 10,447.26, 15,670.90 and 3,521.76

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Solution

The fourth proportional to 10,447.26, 15,670.90 and 3,521.76 is: 5,282.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,447.26 : 15,670.90 = 3,521.76 : x
  2. Step 2: Convert to fraction form
    10,447.26/15,670.90 = 3,521.76/x
  3. Step 3: Cross multiply
    10,447.26x = 15,670.90 × 3,521.76
  4. Step 4: Simplify right side
    10,447.26x = 55,189,148.78
  5. Step 5: Solve for x
    x = 55,189,148.78/10,447.26
  6. Step 6: Final answer
    x = 5,282.64

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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.