Home / 18,298.05-27,447.38-5,150.74

Finding the Fourth Proportional to 18,298.05, 27,447.38 and 5,150.74

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Solution

The fourth proportional to 18,298.05, 27,447.38 and 5,150.74 is: 7,726.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,298.05 : 27,447.38 = 5,150.74 : x
  2. Step 2: Convert to fraction form
    18,298.05/27,447.38 = 5,150.74/x
  3. Step 3: Cross multiply
    18,298.05x = 27,447.38 × 5,150.74
  4. Step 4: Simplify right side
    18,298.05x = 141,374,155.07
  5. Step 5: Solve for x
    x = 141,374,155.07/18,298.05
  6. Step 6: Final answer
    x = 7,726.19

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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.