Home / 18,319.82-27,460.49-8,465.56

Finding the Fourth Proportional to 18,319.82, 27,460.49 and 8,465.56

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Solution

The fourth proportional to 18,319.82, 27,460.49 and 8,465.56 is: 12,689.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,319.82 : 27,460.49 = 8,465.56 : x
  2. Step 2: Convert to fraction form
    18,319.82/27,460.49 = 8,465.56/x
  3. Step 3: Cross multiply
    18,319.82x = 27,460.49 × 8,465.56
  4. Step 4: Simplify right side
    18,319.82x = 232,468,314.75
  5. Step 5: Solve for x
    x = 232,468,314.75/18,319.82
  6. Step 6: Final answer
    x = 12,689.45

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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.