Home / 11,449.60-15,801.45-6,413.74

Finding the Fourth Proportional to 11,449.60, 15,801.45 and 6,413.74

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Solution

The fourth proportional to 11,449.60, 15,801.45 and 6,413.74 is: 8,851.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,449.60 : 15,801.45 = 6,413.74 : x
  2. Step 2: Convert to fraction form
    11,449.60/15,801.45 = 6,413.74/x
  3. Step 3: Cross multiply
    11,449.60x = 15,801.45 × 6,413.74
  4. Step 4: Simplify right side
    11,449.60x = 101,346,391.92
  5. Step 5: Solve for x
    x = 101,346,391.92/11,449.60
  6. Step 6: Final answer
    x = 8,851.52

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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.