Home / 22,091.04-30,486-12,019.68

Finding the Fourth Proportional to 22,091.04, 30,486 and 12,019.68

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Solution

The fourth proportional to 22,091.04, 30,486 and 12,019.68 is: 16,587.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,091.04 : 30,486 = 12,019.68 : x
  2. Step 2: Convert to fraction form
    22,091.04/30,486 = 12,019.68/x
  3. Step 3: Cross multiply
    22,091.04x = 30,486 × 12,019.68
  4. Step 4: Simplify right side
    22,091.04x = 366,431,964.48
  5. Step 5: Solve for x
    x = 366,431,964.48/22,091.04
  6. Step 6: Final answer
    x = 16,587.36

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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.