Home / 22,040.04-30,412.02-13,087.92

Finding the Fourth Proportional to 22,040.04, 30,412.02 and 13,087.92

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Solution

The fourth proportional to 22,040.04, 30,412.02 and 13,087.92 is: 18,059.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,040.04 : 30,412.02 = 13,087.92 : x
  2. Step 2: Convert to fraction form
    22,040.04/30,412.02 = 13,087.92/x
  3. Step 3: Cross multiply
    22,040.04x = 30,412.02 × 13,087.92
  4. Step 4: Simplify right side
    22,040.04x = 398,030,084.80
  5. Step 5: Solve for x
    x = 398,030,084.80/22,040.04
  6. Step 6: Final answer
    x = 18,059.41

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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.