Home / 10,175.77-15,265.84-3,155.63

Finding the Fourth Proportional to 10,175.77, 15,265.84 and 3,155.63

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Solution

The fourth proportional to 10,175.77, 15,265.84 and 3,155.63 is: 4,734.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,175.77 : 15,265.84 = 3,155.63 : x
  2. Step 2: Convert to fraction form
    10,175.77/15,265.84 = 3,155.63/x
  3. Step 3: Cross multiply
    10,175.77x = 15,265.84 × 3,155.63
  4. Step 4: Simplify right side
    10,175.77x = 48,173,413.41
  5. Step 5: Solve for x
    x = 48,173,413.41/10,175.77
  6. Step 6: Final answer
    x = 4,734.13

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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.