Home / 12,579.48-18,853.56-11,016.18

Finding the Fourth Proportional to 12,579.48, 18,853.56 and 11,016.18

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Solution

The fourth proportional to 12,579.48, 18,853.56 and 11,016.18 is: 16,510.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,579.48 : 18,853.56 = 11,016.18 : x
  2. Step 2: Convert to fraction form
    12,579.48/18,853.56 = 11,016.18/x
  3. Step 3: Cross multiply
    12,579.48x = 18,853.56 × 11,016.18
  4. Step 4: Simplify right side
    12,579.48x = 207,694,210.60
  5. Step 5: Solve for x
    x = 207,694,210.60/12,579.48
  6. Step 6: Final answer
    x = 16,510.56

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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.