Home / 11,789.01-17,683.74-9,438.10

Finding the Fourth Proportional to 11,789.01, 17,683.74 and 9,438.10

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Solution

The fourth proportional to 11,789.01, 17,683.74 and 9,438.10 is: 14,157.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,789.01 : 17,683.74 = 9,438.10 : x
  2. Step 2: Convert to fraction form
    11,789.01/17,683.74 = 9,438.10/x
  3. Step 3: Cross multiply
    11,789.01x = 17,683.74 × 9,438.10
  4. Step 4: Simplify right side
    11,789.01x = 166,900,859.30
  5. Step 5: Solve for x
    x = 166,900,859.30/11,789.01
  6. Step 6: Final answer
    x = 14,157.33

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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.