Home / 12,080.24-18,091.20-6,870.32

Finding the Fourth Proportional to 12,080.24, 18,091.20 and 6,870.32

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Solution

The fourth proportional to 12,080.24, 18,091.20 and 6,870.32 is: 10,288.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,080.24 : 18,091.20 = 6,870.32 : x
  2. Step 2: Convert to fraction form
    12,080.24/18,091.20 = 6,870.32/x
  3. Step 3: Cross multiply
    12,080.24x = 18,091.20 × 6,870.32
  4. Step 4: Simplify right side
    12,080.24x = 124,292,333.18
  5. Step 5: Solve for x
    x = 124,292,333.18/12,080.24
  6. Step 6: Final answer
    x = 10,288.90

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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.