Home / 6,159.13-9,240.15-1,999.15

Finding the Fourth Proportional to 6,159.13, 9,240.15 and 1,999.15

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Solution

The fourth proportional to 6,159.13, 9,240.15 and 1,999.15 is: 2,999.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,159.13 : 9,240.15 = 1,999.15 : x
  2. Step 2: Convert to fraction form
    6,159.13/9,240.15 = 1,999.15/x
  3. Step 3: Cross multiply
    6,159.13x = 9,240.15 × 1,999.15
  4. Step 4: Simplify right side
    6,159.13x = 18,472,445.87
  5. Step 5: Solve for x
    x = 18,472,445.87/6,159.13
  6. Step 6: Final answer
    x = 2,999.20

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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.