Home / 9,055.64-12,499.44-5,912.30

Finding the Fourth Proportional to 9,055.64, 12,499.44 and 5,912.30

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Solution

The fourth proportional to 9,055.64, 12,499.44 and 5,912.30 is: 8,160.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,055.64 : 12,499.44 = 5,912.30 : x
  2. Step 2: Convert to fraction form
    9,055.64/12,499.44 = 5,912.30/x
  3. Step 3: Cross multiply
    9,055.64x = 12,499.44 × 5,912.30
  4. Step 4: Simplify right side
    9,055.64x = 73,900,439.11
  5. Step 5: Solve for x
    x = 73,900,439.11/9,055.64
  6. Step 6: Final answer
    x = 8,160.71

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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.