Home / 12,292.84-18,417.34-5,161.32

Finding the Fourth Proportional to 12,292.84, 18,417.34 and 5,161.32

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Solution

The fourth proportional to 12,292.84, 18,417.34 and 5,161.32 is: 7,732.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292.84 : 18,417.34 = 5,161.32 : x
  2. Step 2: Convert to fraction form
    12,292.84/18,417.34 = 5,161.32/x
  3. Step 3: Cross multiply
    12,292.84x = 18,417.34 × 5,161.32
  4. Step 4: Simplify right side
    12,292.84x = 95,057,785.29
  5. Step 5: Solve for x
    x = 95,057,785.29/12,292.84
  6. Step 6: Final answer
    x = 7,732.78

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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.