Home / 9,188.11-12,680.53-5,412.46

Finding the Fourth Proportional to 9,188.11, 12,680.53 and 5,412.46

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Solution

The fourth proportional to 9,188.11, 12,680.53 and 5,412.46 is: 7,469.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,188.11 : 12,680.53 = 5,412.46 : x
  2. Step 2: Convert to fraction form
    9,188.11/12,680.53 = 5,412.46/x
  3. Step 3: Cross multiply
    9,188.11x = 12,680.53 × 5,412.46
  4. Step 4: Simplify right side
    9,188.11x = 68,632,816.17
  5. Step 5: Solve for x
    x = 68,632,816.17/9,188.11
  6. Step 6: Final answer
    x = 7,469.74

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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.