Home / 10,422.32-15,633.41-2,631.06

Finding the Fourth Proportional to 10,422.32, 15,633.41 and 2,631.06

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Solution

The fourth proportional to 10,422.32, 15,633.41 and 2,631.06 is: 3,946.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,422.32 : 15,633.41 = 2,631.06 : x
  2. Step 2: Convert to fraction form
    10,422.32/15,633.41 = 2,631.06/x
  3. Step 3: Cross multiply
    10,422.32x = 15,633.41 × 2,631.06
  4. Step 4: Simplify right side
    10,422.32x = 41,132,426.56
  5. Step 5: Solve for x
    x = 41,132,426.56/10,422.32
  6. Step 6: Final answer
    x = 3,946.57

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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.