Home / 13,362.18-20,042.72-3,501.24

Finding the Fourth Proportional to 13,362.18, 20,042.72 and 3,501.24

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Solution

The fourth proportional to 13,362.18, 20,042.72 and 3,501.24 is: 5,251.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362.18 : 20,042.72 = 3,501.24 : x
  2. Step 2: Convert to fraction form
    13,362.18/20,042.72 = 3,501.24/x
  3. Step 3: Cross multiply
    13,362.18x = 20,042.72 × 3,501.24
  4. Step 4: Simplify right side
    13,362.18x = 70,174,372.97
  5. Step 5: Solve for x
    x = 70,174,372.97/13,362.18
  6. Step 6: Final answer
    x = 5,251.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.