Home / 18,629.78-27,947.45-6,151.13

Finding the Fourth Proportional to 18,629.78, 27,947.45 and 6,151.13

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Solution

The fourth proportional to 18,629.78, 27,947.45 and 6,151.13 is: 9,227.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,629.78 : 27,947.45 = 6,151.13 : x
  2. Step 2: Convert to fraction form
    18,629.78/27,947.45 = 6,151.13/x
  3. Step 3: Cross multiply
    18,629.78x = 27,947.45 × 6,151.13
  4. Step 4: Simplify right side
    18,629.78x = 171,908,273.76
  5. Step 5: Solve for x
    x = 171,908,273.76/18,629.78
  6. Step 6: Final answer
    x = 9,227.60

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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.