Home / 18,320.06-27,476.98-5,169.35

Finding the Fourth Proportional to 18,320.06, 27,476.98 and 5,169.35

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Solution

The fourth proportional to 18,320.06, 27,476.98 and 5,169.35 is: 7,753.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,320.06 : 27,476.98 = 5,169.35 : x
  2. Step 2: Convert to fraction form
    18,320.06/27,476.98 = 5,169.35/x
  3. Step 3: Cross multiply
    18,320.06x = 27,476.98 × 5,169.35
  4. Step 4: Simplify right side
    18,320.06x = 142,037,976.25
  5. Step 5: Solve for x
    x = 142,037,976.25/18,320.06
  6. Step 6: Final answer
    x = 7,753.14

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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.