Home / 19,244.60-28,845.30-8,149.40

Finding the Fourth Proportional to 19,244.60, 28,845.30 and 8,149.40

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Solution

The fourth proportional to 19,244.60, 28,845.30 and 8,149.40 is: 12,214.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,244.60 : 28,845.30 = 8,149.40 : x
  2. Step 2: Convert to fraction form
    19,244.60/28,845.30 = 8,149.40/x
  3. Step 3: Cross multiply
    19,244.60x = 28,845.30 × 8,149.40
  4. Step 4: Simplify right side
    19,244.60x = 235,071,887.82
  5. Step 5: Solve for x
    x = 235,071,887.82/19,244.60
  6. Step 6: Final answer
    x = 12,214.95

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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.