Home / 12,334.68-18,465.57-11,642.13

Finding the Fourth Proportional to 12,334.68, 18,465.57 and 11,642.13

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Solution

The fourth proportional to 12,334.68, 18,465.57 and 11,642.13 is: 17,428.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,334.68 : 18,465.57 = 11,642.13 : x
  2. Step 2: Convert to fraction form
    12,334.68/18,465.57 = 11,642.13/x
  3. Step 3: Cross multiply
    12,334.68x = 18,465.57 × 11,642.13
  4. Step 4: Simplify right side
    12,334.68x = 214,978,566.46
  5. Step 5: Solve for x
    x = 214,978,566.46/12,334.68
  6. Step 6: Final answer
    x = 17,428.79

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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.