Home / 11,199.36-16,787.36-6,261.76

Finding the Fourth Proportional to 11,199.36, 16,787.36 and 6,261.76

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Solution

The fourth proportional to 11,199.36, 16,787.36 and 6,261.76 is: 9,386.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,199.36 : 16,787.36 = 6,261.76 : x
  2. Step 2: Convert to fraction form
    11,199.36/16,787.36 = 6,261.76/x
  3. Step 3: Cross multiply
    11,199.36x = 16,787.36 × 6,261.76
  4. Step 4: Simplify right side
    11,199.36x = 105,118,419.35
  5. Step 5: Solve for x
    x = 105,118,419.35/11,199.36
  6. Step 6: Final answer
    x = 9,386.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.