Home / 18,159.33-27,240.57-5,011.70

Finding the Fourth Proportional to 18,159.33, 27,240.57 and 5,011.70

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Solution

The fourth proportional to 18,159.33, 27,240.57 and 5,011.70 is: 7,517.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,159.33 : 27,240.57 = 5,011.70 : x
  2. Step 2: Convert to fraction form
    18,159.33/27,240.57 = 5,011.70/x
  3. Step 3: Cross multiply
    18,159.33x = 27,240.57 × 5,011.70
  4. Step 4: Simplify right side
    18,159.33x = 136,521,656.32
  5. Step 5: Solve for x
    x = 136,521,656.32/18,159.33
  6. Step 6: Final answer
    x = 7,517.99

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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.