Home / 13,353.46-18,424.76-7,974.92

Finding the Fourth Proportional to 13,353.46, 18,424.76 and 7,974.92

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Solution

The fourth proportional to 13,353.46, 18,424.76 and 7,974.92 is: 11,003.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353.46 : 18,424.76 = 7,974.92 : x
  2. Step 2: Convert to fraction form
    13,353.46/18,424.76 = 7,974.92/x
  3. Step 3: Cross multiply
    13,353.46x = 18,424.76 × 7,974.92
  4. Step 4: Simplify right side
    13,353.46x = 146,935,889.57
  5. Step 5: Solve for x
    x = 146,935,889.57/13,353.46
  6. Step 6: Final answer
    x = 11,003.58

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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.