Home / 8,469.56-11,688.41-5,112.32

Finding the Fourth Proportional to 8,469.56, 11,688.41 and 5,112.32

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Solution

The fourth proportional to 8,469.56, 11,688.41 and 5,112.32 is: 7,055.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,469.56 : 11,688.41 = 5,112.32 : x
  2. Step 2: Convert to fraction form
    8,469.56/11,688.41 = 5,112.32/x
  3. Step 3: Cross multiply
    8,469.56x = 11,688.41 × 5,112.32
  4. Step 4: Simplify right side
    8,469.56x = 59,754,892.21
  5. Step 5: Solve for x
    x = 59,754,892.21/8,469.56
  6. Step 6: Final answer
    x = 7,055.25

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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.