Home / 22,454.05-30,988.66-12,895.19

Finding the Fourth Proportional to 22,454.05, 30,988.66 and 12,895.19

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Solution

The fourth proportional to 22,454.05, 30,988.66 and 12,895.19 is: 17,796.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,454.05 : 30,988.66 = 12,895.19 : x
  2. Step 2: Convert to fraction form
    22,454.05/30,988.66 = 12,895.19/x
  3. Step 3: Cross multiply
    22,454.05x = 30,988.66 × 12,895.19
  4. Step 4: Simplify right side
    22,454.05x = 399,604,439.13
  5. Step 5: Solve for x
    x = 399,604,439.13/22,454.05
  6. Step 6: Final answer
    x = 17,796.55

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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.