Home / 22,072.10-30,459.40-13,002.74

Finding the Fourth Proportional to 22,072.10, 30,459.40 and 13,002.74

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Solution

The fourth proportional to 22,072.10, 30,459.40 and 13,002.74 is: 17,943.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,072.10 : 30,459.40 = 13,002.74 : x
  2. Step 2: Convert to fraction form
    22,072.10/30,459.40 = 13,002.74/x
  3. Step 3: Cross multiply
    22,072.10x = 30,459.40 × 13,002.74
  4. Step 4: Simplify right side
    22,072.10x = 396,055,560.79
  5. Step 5: Solve for x
    x = 396,055,560.79/22,072.10
  6. Step 6: Final answer
    x = 17,943.72

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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.