Home / 15,552.99-21,413.16-13,843.35

Finding the Fourth Proportional to 15,552.99, 21,413.16 and 13,843.35

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Solution

The fourth proportional to 15,552.99, 21,413.16 and 13,843.35 is: 19,059.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,552.99 : 21,413.16 = 13,843.35 : x
  2. Step 2: Convert to fraction form
    15,552.99/21,413.16 = 13,843.35/x
  3. Step 3: Cross multiply
    15,552.99x = 21,413.16 × 13,843.35
  4. Step 4: Simplify right side
    15,552.99x = 296,429,868.49
  5. Step 5: Solve for x
    x = 296,429,868.49/15,552.99
  6. Step 6: Final answer
    x = 19,059.35

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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.