Home / 11,910.18-16,443.60-8,323.92

Finding the Fourth Proportional to 11,910.18, 16,443.60 and 8,323.92

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Solution

The fourth proportional to 11,910.18, 16,443.60 and 8,323.92 is: 11,492.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,910.18 : 16,443.60 = 8,323.92 : x
  2. Step 2: Convert to fraction form
    11,910.18/16,443.60 = 8,323.92/x
  3. Step 3: Cross multiply
    11,910.18x = 16,443.60 × 8,323.92
  4. Step 4: Simplify right side
    11,910.18x = 136,875,210.91
  5. Step 5: Solve for x
    x = 136,875,210.91/11,910.18
  6. Step 6: Final answer
    x = 11,492.29

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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.