Home / 11,392.59-15,721.88-6,677.31

Finding the Fourth Proportional to 11,392.59, 15,721.88 and 6,677.31

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Solution

The fourth proportional to 11,392.59, 15,721.88 and 6,677.31 is: 9,214.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,392.59 : 15,721.88 = 6,677.31 : x
  2. Step 2: Convert to fraction form
    11,392.59/15,721.88 = 6,677.31/x
  3. Step 3: Cross multiply
    11,392.59x = 15,721.88 × 6,677.31
  4. Step 4: Simplify right side
    11,392.59x = 104,979,833.16
  5. Step 5: Solve for x
    x = 104,979,833.16/11,392.59
  6. Step 6: Final answer
    x = 9,214.75

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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.