Home / 18,397.48-27,574.80-8,387.23

Finding the Fourth Proportional to 18,397.48, 27,574.80 and 8,387.23

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Solution

The fourth proportional to 18,397.48, 27,574.80 and 8,387.23 is: 12,571.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,397.48 : 27,574.80 = 8,387.23 : x
  2. Step 2: Convert to fraction form
    18,397.48/27,574.80 = 8,387.23/x
  3. Step 3: Cross multiply
    18,397.48x = 27,574.80 × 8,387.23
  4. Step 4: Simplify right side
    18,397.48x = 231,276,189.80
  5. Step 5: Solve for x
    x = 231,276,189.80/18,397.48
  6. Step 6: Final answer
    x = 12,571.08

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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.