Home / 12,660.30-18,967.50-6,077.16

Finding the Fourth Proportional to 12,660.30, 18,967.50 and 6,077.16

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Solution

The fourth proportional to 12,660.30, 18,967.50 and 6,077.16 is: 9,104.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,660.30 : 18,967.50 = 6,077.16 : x
  2. Step 2: Convert to fraction form
    12,660.30/18,967.50 = 6,077.16/x
  3. Step 3: Cross multiply
    12,660.30x = 18,967.50 × 6,077.16
  4. Step 4: Simplify right side
    12,660.30x = 115,268,532.30
  5. Step 5: Solve for x
    x = 115,268,532.30/12,660.30
  6. Step 6: Final answer
    x = 9,104.72

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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.