Home / 9,112.56-13,659.36-6,607.68

Finding the Fourth Proportional to 9,112.56, 13,659.36 and 6,607.68

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Solution

The fourth proportional to 9,112.56, 13,659.36 and 6,607.68 is: 9,904.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,112.56 : 13,659.36 = 6,607.68 : x
  2. Step 2: Convert to fraction form
    9,112.56/13,659.36 = 6,607.68/x
  3. Step 3: Cross multiply
    9,112.56x = 13,659.36 × 6,607.68
  4. Step 4: Simplify right side
    9,112.56x = 90,256,679.88
  5. Step 5: Solve for x
    x = 90,256,679.88/9,112.56
  6. Step 6: Final answer
    x = 9,904.65

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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.