Home / 19,143.60-28,715.40-5,997.30

Finding the Fourth Proportional to 19,143.60, 28,715.40 and 5,997.30

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Solution

The fourth proportional to 19,143.60, 28,715.40 and 5,997.30 is: 8,995.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,143.60 : 28,715.40 = 5,997.30 : x
  2. Step 2: Convert to fraction form
    19,143.60/28,715.40 = 5,997.30/x
  3. Step 3: Cross multiply
    19,143.60x = 28,715.40 × 5,997.30
  4. Step 4: Simplify right side
    19,143.60x = 172,214,868.42
  5. Step 5: Solve for x
    x = 172,214,868.42/19,143.60
  6. Step 6: Final answer
    x = 8,995.95

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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.