Home / 11,392.76-15,721.56-6,676.92

Finding the Fourth Proportional to 11,392.76, 15,721.56 and 6,676.92

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Solution

The fourth proportional to 11,392.76, 15,721.56 and 6,676.92 is: 9,213.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,392.76 : 15,721.56 = 6,676.92 : x
  2. Step 2: Convert to fraction form
    11,392.76/15,721.56 = 6,676.92/x
  3. Step 3: Cross multiply
    11,392.76x = 15,721.56 × 6,676.92
  4. Step 4: Simplify right side
    11,392.76x = 104,971,598.40
  5. Step 5: Solve for x
    x = 104,971,598.40/11,392.76
  6. Step 6: Final answer
    x = 9,213.89

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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.