Home / 18,225.04-27,326.26-7,118.69

Finding the Fourth Proportional to 18,225.04, 27,326.26 and 7,118.69

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Solution

The fourth proportional to 18,225.04, 27,326.26 and 7,118.69 is: 10,673.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,225.04 : 27,326.26 = 7,118.69 : x
  2. Step 2: Convert to fraction form
    18,225.04/27,326.26 = 7,118.69/x
  3. Step 3: Cross multiply
    18,225.04x = 27,326.26 × 7,118.69
  4. Step 4: Simplify right side
    18,225.04x = 194,527,046.07
  5. Step 5: Solve for x
    x = 194,527,046.07/18,225.04
  6. Step 6: Final answer
    x = 10,673.62

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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.