Home / 8,936.19-13,401.34-3,011.48

Finding the Fourth Proportional to 8,936.19, 13,401.34 and 3,011.48

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Solution

The fourth proportional to 8,936.19, 13,401.34 and 3,011.48 is: 4,516.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.19 : 13,401.34 = 3,011.48 : x
  2. Step 2: Convert to fraction form
    8,936.19/13,401.34 = 3,011.48/x
  3. Step 3: Cross multiply
    8,936.19x = 13,401.34 × 3,011.48
  4. Step 4: Simplify right side
    8,936.19x = 40,357,785.32
  5. Step 5: Solve for x
    x = 40,357,785.32/8,936.19
  6. Step 6: Final answer
    x = 4,516.22

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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.