Home / 18,129.93-27,169.07-14,162.95

Finding the Fourth Proportional to 18,129.93, 27,169.07 and 14,162.95

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Solution

The fourth proportional to 18,129.93, 27,169.07 and 14,162.95 is: 21,224.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,129.93 : 27,169.07 = 14,162.95 : x
  2. Step 2: Convert to fraction form
    18,129.93/27,169.07 = 14,162.95/x
  3. Step 3: Cross multiply
    18,129.93x = 27,169.07 × 14,162.95
  4. Step 4: Simplify right side
    18,129.93x = 384,794,222.77
  5. Step 5: Solve for x
    x = 384,794,222.77/18,129.93
  6. Step 6: Final answer
    x = 21,224.26

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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.