Home / 19,413.87-29,127.50-8,888.33

Finding the Fourth Proportional to 19,413.87, 29,127.50 and 8,888.33

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Solution

The fourth proportional to 19,413.87, 29,127.50 and 8,888.33 is: 13,335.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,413.87 : 29,127.50 = 8,888.33 : x
  2. Step 2: Convert to fraction form
    19,413.87/29,127.50 = 8,888.33/x
  3. Step 3: Cross multiply
    19,413.87x = 29,127.50 × 8,888.33
  4. Step 4: Simplify right side
    19,413.87x = 258,894,832.08
  5. Step 5: Solve for x
    x = 258,894,832.08/19,413.87
  6. Step 6: Final answer
    x = 13,335.56

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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.