Home / 11,194.53-15,445.65-7,210.84

Finding the Fourth Proportional to 11,194.53, 15,445.65 and 7,210.84

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Solution

The fourth proportional to 11,194.53, 15,445.65 and 7,210.84 is: 9,949.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,194.53 : 15,445.65 = 7,210.84 : x
  2. Step 2: Convert to fraction form
    11,194.53/15,445.65 = 7,210.84/x
  3. Step 3: Cross multiply
    11,194.53x = 15,445.65 × 7,210.84
  4. Step 4: Simplify right side
    11,194.53x = 111,376,110.85
  5. Step 5: Solve for x
    x = 111,376,110.85/11,194.53
  6. Step 6: Final answer
    x = 9,949.15

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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.