Home / 18,124.31-27,186.12-4,976.19

Finding the Fourth Proportional to 18,124.31, 27,186.12 and 4,976.19

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Solution

The fourth proportional to 18,124.31, 27,186.12 and 4,976.19 is: 7,464.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,124.31 : 27,186.12 = 4,976.19 : x
  2. Step 2: Convert to fraction form
    18,124.31/27,186.12 = 4,976.19/x
  3. Step 3: Cross multiply
    18,124.31x = 27,186.12 × 4,976.19
  4. Step 4: Simplify right side
    18,124.31x = 135,283,298.48
  5. Step 5: Solve for x
    x = 135,283,298.48/18,124.31
  6. Step 6: Final answer
    x = 7,464.19

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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.