Home / 10,411.44-15,616.74-2,620.32

Finding the Fourth Proportional to 10,411.44, 15,616.74 and 2,620.32

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Solution

The fourth proportional to 10,411.44, 15,616.74 and 2,620.32 is: 3,930.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,411.44 : 15,616.74 = 2,620.32 : x
  2. Step 2: Convert to fraction form
    10,411.44/15,616.74 = 2,620.32/x
  3. Step 3: Cross multiply
    10,411.44x = 15,616.74 × 2,620.32
  4. Step 4: Simplify right side
    10,411.44x = 40,920,856.16
  5. Step 5: Solve for x
    x = 40,920,856.16/10,411.44
  6. Step 6: Final answer
    x = 3,930.37

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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.