Home / 14,718.80-22,013.40-11,219.60

Finding the Fourth Proportional to 14,718.80, 22,013.40 and 11,219.60

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Solution

The fourth proportional to 14,718.80, 22,013.40 and 11,219.60 is: 16,780.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,718.80 : 22,013.40 = 11,219.60 : x
  2. Step 2: Convert to fraction form
    14,718.80/22,013.40 = 11,219.60/x
  3. Step 3: Cross multiply
    14,718.80x = 22,013.40 × 11,219.60
  4. Step 4: Simplify right side
    14,718.80x = 246,981,542.64
  5. Step 5: Solve for x
    x = 246,981,542.64/14,718.80
  6. Step 6: Final answer
    x = 16,780.01

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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.