Home / 10,400.32-14,351.60-6,151.12

Finding the Fourth Proportional to 10,400.32, 14,351.60 and 6,151.12

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Solution

The fourth proportional to 10,400.32, 14,351.60 and 6,151.12 is: 8,488.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,400.32 : 14,351.60 = 6,151.12 : x
  2. Step 2: Convert to fraction form
    10,400.32/14,351.60 = 6,151.12/x
  3. Step 3: Cross multiply
    10,400.32x = 14,351.60 × 6,151.12
  4. Step 4: Simplify right side
    10,400.32x = 88,278,413.79
  5. Step 5: Solve for x
    x = 88,278,413.79/10,400.32
  6. Step 6: Final answer
    x = 8,488.05

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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.