Home / 12,192.68-18,264.66-5,609.84

Finding the Fourth Proportional to 12,192.68, 18,264.66 and 5,609.84

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Solution

The fourth proportional to 12,192.68, 18,264.66 and 5,609.84 is: 8,403.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,192.68 : 18,264.66 = 5,609.84 : x
  2. Step 2: Convert to fraction form
    12,192.68/18,264.66 = 5,609.84/x
  3. Step 3: Cross multiply
    12,192.68x = 18,264.66 × 5,609.84
  4. Step 4: Simplify right side
    12,192.68x = 102,461,820.25
  5. Step 5: Solve for x
    x = 102,461,820.25/12,192.68
  6. Step 6: Final answer
    x = 8,403.55

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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.