Home / 19,864.80-27,413.60-10,913.13

Finding the Fourth Proportional to 19,864.80, 27,413.60 and 10,913.13

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Solution

The fourth proportional to 19,864.80, 27,413.60 and 10,913.13 is: 15,060.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,864.80 : 27,413.60 = 10,913.13 : x
  2. Step 2: Convert to fraction form
    19,864.80/27,413.60 = 10,913.13/x
  3. Step 3: Cross multiply
    19,864.80x = 27,413.60 × 10,913.13
  4. Step 4: Simplify right side
    19,864.80x = 299,168,126.00
  5. Step 5: Solve for x
    x = 299,168,126.00/19,864.80
  6. Step 6: Final answer
    x = 15,060.21

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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.