Home / 22,133.31-30,542.79-12,701.25

Finding the Fourth Proportional to 22,133.31, 30,542.79 and 12,701.25

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Solution

The fourth proportional to 22,133.31, 30,542.79 and 12,701.25 is: 17,527.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,133.31 : 30,542.79 = 12,701.25 : x
  2. Step 2: Convert to fraction form
    22,133.31/30,542.79 = 12,701.25/x
  3. Step 3: Cross multiply
    22,133.31x = 30,542.79 × 12,701.25
  4. Step 4: Simplify right side
    22,133.31x = 387,931,611.49
  5. Step 5: Solve for x
    x = 387,931,611.49/22,133.31
  6. Step 6: Final answer
    x = 17,527.05

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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.