Home / 13,802.76-20,654.88-11,960.18

Finding the Fourth Proportional to 13,802.76, 20,654.88 and 11,960.18

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Solution

The fourth proportional to 13,802.76, 20,654.88 and 11,960.18 is: 17,897.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,802.76 : 20,654.88 = 11,960.18 : x
  2. Step 2: Convert to fraction form
    13,802.76/20,654.88 = 11,960.18/x
  3. Step 3: Cross multiply
    13,802.76x = 20,654.88 × 11,960.18
  4. Step 4: Simplify right side
    13,802.76x = 247,036,082.68
  5. Step 5: Solve for x
    x = 247,036,082.68/13,802.76
  6. Step 6: Final answer
    x = 17,897.59

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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.