Home / 11,230.16-16,845.18-2,909.46

Finding the Fourth Proportional to 11,230.16, 16,845.18 and 2,909.46

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Solution

The fourth proportional to 11,230.16, 16,845.18 and 2,909.46 is: 4,364.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,230.16 : 16,845.18 = 2,909.46 : x
  2. Step 2: Convert to fraction form
    11,230.16/16,845.18 = 2,909.46/x
  3. Step 3: Cross multiply
    11,230.16x = 16,845.18 × 2,909.46
  4. Step 4: Simplify right side
    11,230.16x = 49,010,377.40
  5. Step 5: Solve for x
    x = 49,010,377.40/11,230.16
  6. Step 6: Final answer
    x = 4,364.18

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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.