Home / 11,099.64-16,638.10-5,261.16

Finding the Fourth Proportional to 11,099.64, 16,638.10 and 5,261.16

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Solution

The fourth proportional to 11,099.64, 16,638.10 and 5,261.16 is: 7,886.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,099.64 : 16,638.10 = 5,261.16 : x
  2. Step 2: Convert to fraction form
    11,099.64/16,638.10 = 5,261.16/x
  3. Step 3: Cross multiply
    11,099.64x = 16,638.10 × 5,261.16
  4. Step 4: Simplify right side
    11,099.64x = 87,535,706.20
  5. Step 5: Solve for x
    x = 87,535,706.20/11,099.64
  6. Step 6: Final answer
    x = 7,886.36

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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.