Home / 12,165.84-18,248.04-3,400.56

Finding the Fourth Proportional to 12,165.84, 18,248.04 and 3,400.56

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Solution

The fourth proportional to 12,165.84, 18,248.04 and 3,400.56 is: 5,100.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,165.84 : 18,248.04 = 3,400.56 : x
  2. Step 2: Convert to fraction form
    12,165.84/18,248.04 = 3,400.56/x
  3. Step 3: Cross multiply
    12,165.84x = 18,248.04 × 3,400.56
  4. Step 4: Simplify right side
    12,165.84x = 62,053,554.90
  5. Step 5: Solve for x
    x = 62,053,554.90/12,165.84
  6. Step 6: Final answer
    x = 5,100.64

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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.