Home / 11,335.38-15,643.56-6,859.32

Finding the Fourth Proportional to 11,335.38, 15,643.56 and 6,859.32

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Solution

The fourth proportional to 11,335.38, 15,643.56 and 6,859.32 is: 9,466.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,335.38 : 15,643.56 = 6,859.32 : x
  2. Step 2: Convert to fraction form
    11,335.38/15,643.56 = 6,859.32/x
  3. Step 3: Cross multiply
    11,335.38x = 15,643.56 × 6,859.32
  4. Step 4: Simplify right side
    11,335.38x = 107,304,183.98
  5. Step 5: Solve for x
    x = 107,304,183.98/11,335.38
  6. Step 6: Final answer
    x = 9,466.31

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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.