Home / 21,413.01-29,551.46-11,853.31

Finding the Fourth Proportional to 21,413.01, 29,551.46 and 11,853.31

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Solution

The fourth proportional to 21,413.01, 29,551.46 and 11,853.31 is: 16,358.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,413.01 : 29,551.46 = 11,853.31 : x
  2. Step 2: Convert to fraction form
    21,413.01/29,551.46 = 11,853.31/x
  3. Step 3: Cross multiply
    21,413.01x = 29,551.46 × 11,853.31
  4. Step 4: Simplify right side
    21,413.01x = 350,282,655.05
  5. Step 5: Solve for x
    x = 350,282,655.05/21,413.01
  6. Step 6: Final answer
    x = 16,358.40

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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.