Home / 18,089.80-27,125.66-11,529.16

Finding the Fourth Proportional to 18,089.80, 27,125.66 and 11,529.16

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Solution

The fourth proportional to 18,089.80, 27,125.66 and 11,529.16 is: 17,287.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,089.80 : 27,125.66 = 11,529.16 : x
  2. Step 2: Convert to fraction form
    18,089.80/27,125.66 = 11,529.16/x
  3. Step 3: Cross multiply
    18,089.80x = 27,125.66 × 11,529.16
  4. Step 4: Simplify right side
    18,089.80x = 312,736,074.25
  5. Step 5: Solve for x
    x = 312,736,074.25/18,089.80
  6. Step 6: Final answer
    x = 17,287.98

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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.