Home / 13,550.80-18,700.02-8,244.56

Finding the Fourth Proportional to 13,550.80, 18,700.02 and 8,244.56

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Solution

The fourth proportional to 13,550.80, 18,700.02 and 8,244.56 is: 11,377.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,550.80 : 18,700.02 = 8,244.56 : x
  2. Step 2: Convert to fraction form
    13,550.80/18,700.02 = 8,244.56/x
  3. Step 3: Cross multiply
    13,550.80x = 18,700.02 × 8,244.56
  4. Step 4: Simplify right side
    13,550.80x = 154,173,436.89
  5. Step 5: Solve for x
    x = 154,173,436.89/13,550.80
  6. Step 6: Final answer
    x = 11,377.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.