Home / 19,135.08-28,691.82-5,983.92

Finding the Fourth Proportional to 19,135.08, 28,691.82 and 5,983.92

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Solution

The fourth proportional to 19,135.08, 28,691.82 and 5,983.92 is: 8,972.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,135.08 : 28,691.82 = 5,983.92 : x
  2. Step 2: Convert to fraction form
    19,135.08/28,691.82 = 5,983.92/x
  3. Step 3: Cross multiply
    19,135.08x = 28,691.82 × 5,983.92
  4. Step 4: Simplify right side
    19,135.08x = 171,689,555.53
  5. Step 5: Solve for x
    x = 171,689,555.53/19,135.08
  6. Step 6: Final answer
    x = 8,972.50

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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.