Home / 18,941.92-28,410.14-5,790.76

Finding the Fourth Proportional to 18,941.92, 28,410.14 and 5,790.76

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Solution

The fourth proportional to 18,941.92, 28,410.14 and 5,790.76 is: 8,685.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,941.92 : 28,410.14 = 5,790.76 : x
  2. Step 2: Convert to fraction form
    18,941.92/28,410.14 = 5,790.76/x
  3. Step 3: Cross multiply
    18,941.92x = 28,410.14 × 5,790.76
  4. Step 4: Simplify right side
    18,941.92x = 164,516,302.31
  5. Step 5: Solve for x
    x = 164,516,302.31/18,941.92
  6. Step 6: Final answer
    x = 8,685.30

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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.