Home / 18,048.81-27,084.15-7,660.56

Finding the Fourth Proportional to 18,048.81, 27,084.15 and 7,660.56

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Solution

The fourth proportional to 18,048.81, 27,084.15 and 7,660.56 is: 11,495.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,048.81 : 27,084.15 = 7,660.56 : x
  2. Step 2: Convert to fraction form
    18,048.81/27,084.15 = 7,660.56/x
  3. Step 3: Cross multiply
    18,048.81x = 27,084.15 × 7,660.56
  4. Step 4: Simplify right side
    18,048.81x = 207,479,756.12
  5. Step 5: Solve for x
    x = 207,479,756.12/18,048.81
  6. Step 6: Final answer
    x = 11,495.48

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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.