Home / 18,632.09-27,939.93-9,864.95

Finding the Fourth Proportional to 18,632.09, 27,939.93 and 9,864.95

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Solution

The fourth proportional to 18,632.09, 27,939.93 and 9,864.95 is: 14,793.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,632.09 : 27,939.93 = 9,864.95 : x
  2. Step 2: Convert to fraction form
    18,632.09/27,939.93 = 9,864.95/x
  3. Step 3: Cross multiply
    18,632.09x = 27,939.93 × 9,864.95
  4. Step 4: Simplify right side
    18,632.09x = 275,625,963.13
  5. Step 5: Solve for x
    x = 275,625,963.13/18,632.09
  6. Step 6: Final answer
    x = 14,793.08

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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.