Home / 11,341.83-15,648.35-8,976.63

Finding the Fourth Proportional to 11,341.83, 15,648.35 and 8,976.63

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Solution

The fourth proportional to 11,341.83, 15,648.35 and 8,976.63 is: 12,385.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,341.83 : 15,648.35 = 8,976.63 : x
  2. Step 2: Convert to fraction form
    11,341.83/15,648.35 = 8,976.63/x
  3. Step 3: Cross multiply
    11,341.83x = 15,648.35 × 8,976.63
  4. Step 4: Simplify right side
    11,341.83x = 140,469,403.18
  5. Step 5: Solve for x
    x = 140,469,403.18/11,341.83
  6. Step 6: Final answer
    x = 12,385.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.