Home / 10,426.66-15,639.98-2,635.47

Finding the Fourth Proportional to 10,426.66, 15,639.98 and 2,635.47

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Solution

The fourth proportional to 10,426.66, 15,639.98 and 2,635.47 is: 3,953.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,426.66 : 15,639.98 = 2,635.47 : x
  2. Step 2: Convert to fraction form
    10,426.66/15,639.98 = 2,635.47/x
  3. Step 3: Cross multiply
    10,426.66x = 15,639.98 × 2,635.47
  4. Step 4: Simplify right side
    10,426.66x = 41,218,698.09
  5. Step 5: Solve for x
    x = 41,218,698.09/10,426.66
  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.