Home / 11,189.07-15,440.04-6,473.70

Finding the Fourth Proportional to 11,189.07, 15,440.04 and 6,473.70

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Solution

The fourth proportional to 11,189.07, 15,440.04 and 6,473.70 is: 8,933.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189.07 : 15,440.04 = 6,473.70 : x
  2. Step 2: Convert to fraction form
    11,189.07/15,440.04 = 6,473.70/x
  3. Step 3: Cross multiply
    11,189.07x = 15,440.04 × 6,473.70
  4. Step 4: Simplify right side
    11,189.07x = 99,954,186.95
  5. Step 5: Solve for x
    x = 99,954,186.95/11,189.07
  6. Step 6: Final answer
    x = 8,933.20

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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.