Home / 18,972.87-28,463.55-5,826.57

Finding the Fourth Proportional to 18,972.87, 28,463.55 and 5,826.57

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Solution

The fourth proportional to 18,972.87, 28,463.55 and 5,826.57 is: 8,741.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,972.87 : 28,463.55 = 5,826.57 : x
  2. Step 2: Convert to fraction form
    18,972.87/28,463.55 = 5,826.57/x
  3. Step 3: Cross multiply
    18,972.87x = 28,463.55 × 5,826.57
  4. Step 4: Simplify right side
    18,972.87x = 165,844,866.52
  5. Step 5: Solve for x
    x = 165,844,866.52/18,972.87
  6. Step 6: Final answer
    x = 8,741.16

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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.