Home / 11,160.20-16,740.30-8,696.86

Finding the Fourth Proportional to 11,160.20, 16,740.30 and 8,696.86

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Solution

The fourth proportional to 11,160.20, 16,740.30 and 8,696.86 is: 13,045.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,160.20 : 16,740.30 = 8,696.86 : x
  2. Step 2: Convert to fraction form
    11,160.20/16,740.30 = 8,696.86/x
  3. Step 3: Cross multiply
    11,160.20x = 16,740.30 × 8,696.86
  4. Step 4: Simplify right side
    11,160.20x = 145,588,009.92
  5. Step 5: Solve for x
    x = 145,588,009.92/11,160.20
  6. Step 6: Final answer
    x = 13,045.29

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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.