Home / 11,112.74-15,335.90-6,076.87

Finding the Fourth Proportional to 11,112.74, 15,335.90 and 6,076.87

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Solution

The fourth proportional to 11,112.74, 15,335.90 and 6,076.87 is: 8,386.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112.74 : 15,335.90 = 6,076.87 : x
  2. Step 2: Convert to fraction form
    11,112.74/15,335.90 = 6,076.87/x
  3. Step 3: Cross multiply
    11,112.74x = 15,335.90 × 6,076.87
  4. Step 4: Simplify right side
    11,112.74x = 93,194,247.49
  5. Step 5: Solve for x
    x = 93,194,247.49/11,112.74
  6. Step 6: Final answer
    x = 8,386.26

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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.