Home / 10,426.82-15,640.24-4,275.14

Finding the Fourth Proportional to 10,426.82, 15,640.24 and 4,275.14

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Solution

The fourth proportional to 10,426.82, 15,640.24 and 4,275.14 is: 6,412.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,426.82 : 15,640.24 = 4,275.14 : x
  2. Step 2: Convert to fraction form
    10,426.82/15,640.24 = 4,275.14/x
  3. Step 3: Cross multiply
    10,426.82x = 15,640.24 × 4,275.14
  4. Step 4: Simplify right side
    10,426.82x = 66,864,215.63
  5. Step 5: Solve for x
    x = 66,864,215.63/10,426.82
  6. Step 6: Final answer
    x = 6,412.71

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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.