Home / 10,216.07-15,319.32-4,291.71

Finding the Fourth Proportional to 10,216.07, 15,319.32 and 4,291.71

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Solution

The fourth proportional to 10,216.07, 15,319.32 and 4,291.71 is: 6,435.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,216.07 : 15,319.32 = 4,291.71 : x
  2. Step 2: Convert to fraction form
    10,216.07/15,319.32 = 4,291.71/x
  3. Step 3: Cross multiply
    10,216.07x = 15,319.32 × 4,291.71
  4. Step 4: Simplify right side
    10,216.07x = 65,746,078.84
  5. Step 5: Solve for x
    x = 65,746,078.84/10,216.07
  6. Step 6: Final answer
    x = 6,435.55

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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.