Home / 19,864.72-27,413.84-10,912.92

Finding the Fourth Proportional to 19,864.72, 27,413.84 and 10,912.92

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Solution

The fourth proportional to 19,864.72, 27,413.84 and 10,912.92 is: 15,060.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,864.72 : 27,413.84 = 10,912.92 : x
  2. Step 2: Convert to fraction form
    19,864.72/27,413.84 = 10,912.92/x
  3. Step 3: Cross multiply
    19,864.72x = 27,413.84 × 10,912.92
  4. Step 4: Simplify right side
    19,864.72x = 299,165,042.81
  5. Step 5: Solve for x
    x = 299,165,042.81/19,864.72
  6. Step 6: Final answer
    x = 15,060.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.