Home / 14,413.11-21,630.59-9,721.99

Finding the Fourth Proportional to 14,413.11, 21,630.59 and 9,721.99

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Solution

The fourth proportional to 14,413.11, 21,630.59 and 9,721.99 is: 14,590.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,413.11 : 21,630.59 = 9,721.99 : x
  2. Step 2: Convert to fraction form
    14,413.11/21,630.59 = 9,721.99/x
  3. Step 3: Cross multiply
    14,413.11x = 21,630.59 × 9,721.99
  4. Step 4: Simplify right side
    14,413.11x = 210,292,449.25
  5. Step 5: Solve for x
    x = 210,292,449.25/14,413.11
  6. Step 6: Final answer
    x = 14,590.36

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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.