Home / 18,231.04-27,350.26-6,985.58

Finding the Fourth Proportional to 18,231.04, 27,350.26 and 6,985.58

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Solution

The fourth proportional to 18,231.04, 27,350.26 and 6,985.58 is: 10,479.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,231.04 : 27,350.26 = 6,985.58 : x
  2. Step 2: Convert to fraction form
    18,231.04/27,350.26 = 6,985.58/x
  3. Step 3: Cross multiply
    18,231.04x = 27,350.26 × 6,985.58
  4. Step 4: Simplify right side
    18,231.04x = 191,057,275.04
  5. Step 5: Solve for x
    x = 191,057,275.04/18,231.04
  6. Step 6: Final answer
    x = 10,479.78

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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.