Home / 18,113.04-27,169.56-4,965.30

Finding the Fourth Proportional to 18,113.04, 27,169.56 and 4,965.30

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Solution

The fourth proportional to 18,113.04, 27,169.56 and 4,965.30 is: 7,447.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,113.04 : 27,169.56 = 4,965.30 : x
  2. Step 2: Convert to fraction form
    18,113.04/27,169.56 = 4,965.30/x
  3. Step 3: Cross multiply
    18,113.04x = 27,169.56 × 4,965.30
  4. Step 4: Simplify right side
    18,113.04x = 134,905,016.27
  5. Step 5: Solve for x
    x = 134,905,016.27/18,113.04
  6. Step 6: Final answer
    x = 7,447.95

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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.