Home / 18,298.98-27,447.12-5,818.50

Finding the Fourth Proportional to 18,298.98, 27,447.12 and 5,818.50

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Solution

The fourth proportional to 18,298.98, 27,447.12 and 5,818.50 is: 8,727.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,298.98 : 27,447.12 = 5,818.50 : x
  2. Step 2: Convert to fraction form
    18,298.98/27,447.12 = 5,818.50/x
  3. Step 3: Cross multiply
    18,298.98x = 27,447.12 × 5,818.50
  4. Step 4: Simplify right side
    18,298.98x = 159,701,067.72
  5. Step 5: Solve for x
    x = 159,701,067.72/18,298.98
  6. Step 6: Final answer
    x = 8,727.32

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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.