Home / 22,187.54-30,620.04-12,116.91

Finding the Fourth Proportional to 22,187.54, 30,620.04 and 12,116.91

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Solution

The fourth proportional to 22,187.54, 30,620.04 and 12,116.91 is: 16,722.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,187.54 : 30,620.04 = 12,116.91 : x
  2. Step 2: Convert to fraction form
    22,187.54/30,620.04 = 12,116.91/x
  3. Step 3: Cross multiply
    22,187.54x = 30,620.04 × 12,116.91
  4. Step 4: Simplify right side
    22,187.54x = 371,020,268.88
  5. Step 5: Solve for x
    x = 371,020,268.88/22,187.54
  6. Step 6: Final answer
    x = 16,722.01

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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.