Home / 13,663.04-18,854.92-7,694.76

Finding the Fourth Proportional to 13,663.04, 18,854.92 and 7,694.76

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Solution

The fourth proportional to 13,663.04, 18,854.92 and 7,694.76 is: 10,618.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,663.04 : 18,854.92 = 7,694.76 : x
  2. Step 2: Convert to fraction form
    13,663.04/18,854.92 = 7,694.76/x
  3. Step 3: Cross multiply
    13,663.04x = 18,854.92 × 7,694.76
  4. Step 4: Simplify right side
    13,663.04x = 145,084,084.22
  5. Step 5: Solve for x
    x = 145,084,084.22/13,663.04
  6. Step 6: Final answer
    x = 10,618.73

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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.