Home / 12,017.76-18,029.88-6,080.28

Finding the Fourth Proportional to 12,017.76, 18,029.88 and 6,080.28

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Solution

The fourth proportional to 12,017.76, 18,029.88 and 6,080.28 is: 9,122.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,017.76 : 18,029.88 = 6,080.28 : x
  2. Step 2: Convert to fraction form
    12,017.76/18,029.88 = 6,080.28/x
  3. Step 3: Cross multiply
    12,017.76x = 18,029.88 × 6,080.28
  4. Step 4: Simplify right side
    12,017.76x = 109,626,718.77
  5. Step 5: Solve for x
    x = 109,626,718.77/12,017.76
  6. Step 6: Final answer
    x = 9,122.06

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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.