Home / 11,000.88-16,507.80-5,157.54

Finding the Fourth Proportional to 11,000.88, 16,507.80 and 5,157.54

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Solution

The fourth proportional to 11,000.88, 16,507.80 and 5,157.54 is: 7,739.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,000.88 : 16,507.80 = 5,157.54 : x
  2. Step 2: Convert to fraction form
    11,000.88/16,507.80 = 5,157.54/x
  3. Step 3: Cross multiply
    11,000.88x = 16,507.80 × 5,157.54
  4. Step 4: Simplify right side
    11,000.88x = 85,139,638.81
  5. Step 5: Solve for x
    x = 85,139,638.81/11,000.88
  6. Step 6: Final answer
    x = 7,739.35

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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.