Home / 18,535.52-25,579.32-10,151.48

Finding the Fourth Proportional to 18,535.52, 25,579.32 and 10,151.48

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Solution

The fourth proportional to 18,535.52, 25,579.32 and 10,151.48 is: 14,009.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,535.52 : 25,579.32 = 10,151.48 : x
  2. Step 2: Convert to fraction form
    18,535.52/25,579.32 = 10,151.48/x
  3. Step 3: Cross multiply
    18,535.52x = 25,579.32 × 10,151.48
  4. Step 4: Simplify right side
    18,535.52x = 259,667,955.39
  5. Step 5: Solve for x
    x = 259,667,955.39/18,535.52
  6. Step 6: Final answer
    x = 14,009.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.