Home / 22,113.47-33,143.92-15,413.76

Finding the Fourth Proportional to 22,113.47, 33,143.92 and 15,413.76

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Solution

The fourth proportional to 22,113.47, 33,143.92 and 15,413.76 is: 23,102.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,113.47 : 33,143.92 = 15,413.76 : x
  2. Step 2: Convert to fraction form
    22,113.47/33,143.92 = 15,413.76/x
  3. Step 3: Cross multiply
    22,113.47x = 33,143.92 × 15,413.76
  4. Step 4: Simplify right side
    22,113.47x = 510,872,389.80
  5. Step 5: Solve for x
    x = 510,872,389.80/22,113.47
  6. Step 6: Final answer
    x = 23,102.31

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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.