Home / 9,132.78-12,601.96-5,099.11

Finding the Fourth Proportional to 9,132.78, 12,601.96 and 5,099.11

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Solution

The fourth proportional to 9,132.78, 12,601.96 and 5,099.11 is: 7,036.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,132.78 : 12,601.96 = 5,099.11 : x
  2. Step 2: Convert to fraction form
    9,132.78/12,601.96 = 5,099.11/x
  3. Step 3: Cross multiply
    9,132.78x = 12,601.96 × 5,099.11
  4. Step 4: Simplify right side
    9,132.78x = 64,258,780.26
  5. Step 5: Solve for x
    x = 64,258,780.26/9,132.78
  6. Step 6: Final answer
    x = 7,036.06

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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.