Home / 18,159.57-27,228.80-7,053.26

Finding the Fourth Proportional to 18,159.57, 27,228.80 and 7,053.26

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Solution

The fourth proportional to 18,159.57, 27,228.80 and 7,053.26 is: 10,575.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,159.57 : 27,228.80 = 7,053.26 : x
  2. Step 2: Convert to fraction form
    18,159.57/27,228.80 = 7,053.26/x
  3. Step 3: Cross multiply
    18,159.57x = 27,228.80 × 7,053.26
  4. Step 4: Simplify right side
    18,159.57x = 192,051,634.48
  5. Step 5: Solve for x
    x = 192,051,634.48/18,159.57
  6. Step 6: Final answer
    x = 10,575.78

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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.