Home / 10,381.80-15,570.41-2,984.61

Finding the Fourth Proportional to 10,381.80, 15,570.41 and 2,984.61

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Solution

The fourth proportional to 10,381.80, 15,570.41 and 2,984.61 is: 4,476.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,381.80 : 15,570.41 = 2,984.61 : x
  2. Step 2: Convert to fraction form
    10,381.80/15,570.41 = 2,984.61/x
  3. Step 3: Cross multiply
    10,381.80x = 15,570.41 × 2,984.61
  4. Step 4: Simplify right side
    10,381.80x = 46,471,586.47
  5. Step 5: Solve for x
    x = 46,471,586.47/10,381.80
  6. Step 6: Final answer
    x = 4,476.26

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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.