Home / 10,381.80-15,572.59-2,986.23

Finding the Fourth Proportional to 10,381.80, 15,572.59 and 2,986.23

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Solution

The fourth proportional to 10,381.80, 15,572.59 and 2,986.23 is: 4,479.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,381.80 : 15,572.59 = 2,986.23 : x
  2. Step 2: Convert to fraction form
    10,381.80/15,572.59 = 2,986.23/x
  3. Step 3: Cross multiply
    10,381.80x = 15,572.59 × 2,986.23
  4. Step 4: Simplify right side
    10,381.80x = 46,503,335.44
  5. Step 5: Solve for x
    x = 46,503,335.44/10,381.80
  6. Step 6: Final answer
    x = 4,479.31

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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.