Home / 12,184.73-18,280.80-5,161.08

Finding the Fourth Proportional to 12,184.73, 18,280.80 and 5,161.08

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Solution

The fourth proportional to 12,184.73, 18,280.80 and 5,161.08 is: 7,743.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,184.73 : 18,280.80 = 5,161.08 : x
  2. Step 2: Convert to fraction form
    12,184.73/18,280.80 = 5,161.08/x
  3. Step 3: Cross multiply
    12,184.73x = 18,280.80 × 5,161.08
  4. Step 4: Simplify right side
    12,184.73x = 94,348,671.26
  5. Step 5: Solve for x
    x = 94,348,671.26/12,184.73
  6. Step 6: Final answer
    x = 7,743.19

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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.