Home / 8,812.36-13,227.18-8,771.32

Finding the Fourth Proportional to 8,812.36, 13,227.18 and 8,771.32

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Solution

The fourth proportional to 8,812.36, 13,227.18 and 8,771.32 is: 13,165.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,812.36 : 13,227.18 = 8,771.32 : x
  2. Step 2: Convert to fraction form
    8,812.36/13,227.18 = 8,771.32/x
  3. Step 3: Cross multiply
    8,812.36x = 13,227.18 × 8,771.32
  4. Step 4: Simplify right side
    8,812.36x = 116,019,828.48
  5. Step 5: Solve for x
    x = 116,019,828.48/8,812.36
  6. Step 6: Final answer
    x = 13,165.58

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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.