Home / 13,384.40-20,062.08-8,707.73

Finding the Fourth Proportional to 13,384.40, 20,062.08 and 8,707.73

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Solution

The fourth proportional to 13,384.40, 20,062.08 and 8,707.73 is: 13,052.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,384.40 : 20,062.08 = 8,707.73 : x
  2. Step 2: Convert to fraction form
    13,384.40/20,062.08 = 8,707.73/x
  3. Step 3: Cross multiply
    13,384.40x = 20,062.08 × 8,707.73
  4. Step 4: Simplify right side
    13,384.40x = 174,695,258.69
  5. Step 5: Solve for x
    x = 174,695,258.69/13,384.40
  6. Step 6: Final answer
    x = 13,052.16

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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.