Home / 11,980.28-17,959.08-4,184.04

Finding the Fourth Proportional to 11,980.28, 17,959.08 and 4,184.04

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Solution

The fourth proportional to 11,980.28, 17,959.08 and 4,184.04 is: 6,272.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,980.28 : 17,959.08 = 4,184.04 : x
  2. Step 2: Convert to fraction form
    11,980.28/17,959.08 = 4,184.04/x
  3. Step 3: Cross multiply
    11,980.28x = 17,959.08 × 4,184.04
  4. Step 4: Simplify right side
    11,980.28x = 75,141,509.08
  5. Step 5: Solve for x
    x = 75,141,509.08/11,980.28
  6. Step 6: Final answer
    x = 6,272.10

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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.