Home / 10,381.91-15,573.77-2,986.97

Finding the Fourth Proportional to 10,381.91, 15,573.77 and 2,986.97

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Solution

The fourth proportional to 10,381.91, 15,573.77 and 2,986.97 is: 4,480.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,381.91 : 15,573.77 = 2,986.97 : x
  2. Step 2: Convert to fraction form
    10,381.91/15,573.77 = 2,986.97/x
  3. Step 3: Cross multiply
    10,381.91x = 15,573.77 × 2,986.97
  4. Step 4: Simplify right side
    10,381.91x = 46,518,368.84
  5. Step 5: Solve for x
    x = 46,518,368.84/10,381.91
  6. Step 6: Final answer
    x = 4,480.71

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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.