Home / 11,310.12-16,970.28-6,109.92

Finding the Fourth Proportional to 11,310.12, 16,970.28 and 6,109.92

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Solution

The fourth proportional to 11,310.12, 16,970.28 and 6,109.92 is: 9,167.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,310.12 : 16,970.28 = 6,109.92 : x
  2. Step 2: Convert to fraction form
    11,310.12/16,970.28 = 6,109.92/x
  3. Step 3: Cross multiply
    11,310.12x = 16,970.28 × 6,109.92
  4. Step 4: Simplify right side
    11,310.12x = 103,687,053.18
  5. Step 5: Solve for x
    x = 103,687,053.18/11,310.12
  6. Step 6: Final answer
    x = 9,167.64

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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.