Home / 11,699.79-17,556.81-6,157.11

Finding the Fourth Proportional to 11,699.79, 17,556.81 and 6,157.11

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Solution

The fourth proportional to 11,699.79, 17,556.81 and 6,157.11 is: 9,239.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,699.79 : 17,556.81 = 6,157.11 : x
  2. Step 2: Convert to fraction form
    11,699.79/17,556.81 = 6,157.11/x
  3. Step 3: Cross multiply
    11,699.79x = 17,556.81 × 6,157.11
  4. Step 4: Simplify right side
    11,699.79x = 108,099,210.42
  5. Step 5: Solve for x
    x = 108,099,210.42/11,699.79
  6. Step 6: Final answer
    x = 9,239.41

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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.