Home / 18,106.96-27,151.18-7,574.13

Finding the Fourth Proportional to 18,106.96, 27,151.18 and 7,574.13

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Solution

The fourth proportional to 18,106.96, 27,151.18 and 7,574.13 is: 11,357.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,106.96 : 27,151.18 = 7,574.13 : x
  2. Step 2: Convert to fraction form
    18,106.96/27,151.18 = 7,574.13/x
  3. Step 3: Cross multiply
    18,106.96x = 27,151.18 × 7,574.13
  4. Step 4: Simplify right side
    18,106.96x = 205,646,566.97
  5. Step 5: Solve for x
    x = 205,646,566.97/18,106.96
  6. Step 6: Final answer
    x = 11,357.32

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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.