Home / 11,449.38-15,801.10-6,413.50

Finding the Fourth Proportional to 11,449.38, 15,801.10 and 6,413.50

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Solution

The fourth proportional to 11,449.38, 15,801.10 and 6,413.50 is: 8,851.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,449.38 : 15,801.10 = 6,413.50 : x
  2. Step 2: Convert to fraction form
    11,449.38/15,801.10 = 6,413.50/x
  3. Step 3: Cross multiply
    11,449.38x = 15,801.10 × 6,413.50
  4. Step 4: Simplify right side
    11,449.38x = 101,340,354.85
  5. Step 5: Solve for x
    x = 101,340,354.85/11,449.38
  6. Step 6: Final answer
    x = 8,851.17

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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.