Home / 10,426.64-15,640.01-2,635.46

Finding the Fourth Proportional to 10,426.64, 15,640.01 and 2,635.46

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Solution

The fourth proportional to 10,426.64, 15,640.01 and 2,635.46 is: 3,953.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,426.64 : 15,640.01 = 2,635.46 : x
  2. Step 2: Convert to fraction form
    10,426.64/15,640.01 = 2,635.46/x
  3. Step 3: Cross multiply
    10,426.64x = 15,640.01 × 2,635.46
  4. Step 4: Simplify right side
    10,426.64x = 41,218,529.38
  5. Step 5: Solve for x
    x = 41,218,529.38/10,426.64
  6. Step 6: Final answer
    x = 3,953.20

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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.