Home / 39,289.15-58,933.98-11,209.14

Finding the Fourth Proportional to 39,289.15, 58,933.98 and 11,209.14

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Solution

The fourth proportional to 39,289.15, 58,933.98 and 11,209.14 is: 16,813.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,289.15 : 58,933.98 = 11,209.14 : x
  2. Step 2: Convert to fraction form
    39,289.15/58,933.98 = 11,209.14/x
  3. Step 3: Cross multiply
    39,289.15x = 58,933.98 × 11,209.14
  4. Step 4: Simplify right side
    39,289.15x = 660,599,232.58
  5. Step 5: Solve for x
    x = 660,599,232.58/39,289.15
  6. Step 6: Final answer
    x = 16,813.78

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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.