Home / 10,889.42-15,026.95-6,413.36

Finding the Fourth Proportional to 10,889.42, 15,026.95 and 6,413.36

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Solution

The fourth proportional to 10,889.42, 15,026.95 and 6,413.36 is: 8,850.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,889.42 : 15,026.95 = 6,413.36 : x
  2. Step 2: Convert to fraction form
    10,889.42/15,026.95 = 6,413.36/x
  3. Step 3: Cross multiply
    10,889.42x = 15,026.95 × 6,413.36
  4. Step 4: Simplify right side
    10,889.42x = 96,373,240.05
  5. Step 5: Solve for x
    x = 96,373,240.05/10,889.42
  6. Step 6: Final answer
    x = 8,850.17

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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.