Home / 10,286.16-14,195.16-6,309.47

Finding the Fourth Proportional to 10,286.16, 14,195.16 and 6,309.47

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Solution

The fourth proportional to 10,286.16, 14,195.16 and 6,309.47 is: 8,707.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.16 : 14,195.16 = 6,309.47 : x
  2. Step 2: Convert to fraction form
    10,286.16/14,195.16 = 6,309.47/x
  3. Step 3: Cross multiply
    10,286.16x = 14,195.16 × 6,309.47
  4. Step 4: Simplify right side
    10,286.16x = 89,563,865.19
  5. Step 5: Solve for x
    x = 89,563,865.19/10,286.16
  6. Step 6: Final answer
    x = 8,707.22

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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.