Home / 11,933.40-17,919.23-9,488.55

Finding the Fourth Proportional to 11,933.40, 17,919.23 and 9,488.55

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Solution

The fourth proportional to 11,933.40, 17,919.23 and 9,488.55 is: 14,248.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,933.40 : 17,919.23 = 9,488.55 : x
  2. Step 2: Convert to fraction form
    11,933.40/17,919.23 = 9,488.55/x
  3. Step 3: Cross multiply
    11,933.40x = 17,919.23 × 9,488.55
  4. Step 4: Simplify right side
    11,933.40x = 170,027,462.37
  5. Step 5: Solve for x
    x = 170,027,462.37/11,933.40
  6. Step 6: Final answer
    x = 14,248.03

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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.