Home / 10,642.02-15,965.46-3,246.61

Finding the Fourth Proportional to 10,642.02, 15,965.46 and 3,246.61

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Solution

The fourth proportional to 10,642.02, 15,965.46 and 3,246.61 is: 4,870.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,642.02 : 15,965.46 = 3,246.61 : x
  2. Step 2: Convert to fraction form
    10,642.02/15,965.46 = 3,246.61/x
  3. Step 3: Cross multiply
    10,642.02x = 15,965.46 × 3,246.61
  4. Step 4: Simplify right side
    10,642.02x = 51,833,622.09
  5. Step 5: Solve for x
    x = 51,833,622.09/10,642.02
  6. Step 6: Final answer
    x = 4,870.66

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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.