Home / 22,001.76-30,352.59-13,049.64

Finding the Fourth Proportional to 22,001.76, 30,352.59 and 13,049.64

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Solution

The fourth proportional to 22,001.76, 30,352.59 and 13,049.64 is: 18,002.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,001.76 : 30,352.59 = 13,049.64 : x
  2. Step 2: Convert to fraction form
    22,001.76/30,352.59 = 13,049.64/x
  3. Step 3: Cross multiply
    22,001.76x = 30,352.59 × 13,049.64
  4. Step 4: Simplify right side
    22,001.76x = 396,090,372.57
  5. Step 5: Solve for x
    x = 396,090,372.57/22,001.76
  6. Step 6: Final answer
    x = 18,002.67

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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.