Home / 10,575.13-15,862.85-3,999.55

Finding the Fourth Proportional to 10,575.13, 15,862.85 and 3,999.55

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Solution

The fourth proportional to 10,575.13, 15,862.85 and 3,999.55 is: 5,999.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,575.13 : 15,862.85 = 3,999.55 : x
  2. Step 2: Convert to fraction form
    10,575.13/15,862.85 = 3,999.55/x
  3. Step 3: Cross multiply
    10,575.13x = 15,862.85 × 3,999.55
  4. Step 4: Simplify right side
    10,575.13x = 63,444,261.72
  5. Step 5: Solve for x
    x = 63,444,261.72/10,575.13
  6. Step 6: Final answer
    x = 5,999.38

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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.