Home / 17,709.20-24,441.06-11,439.80

Finding the Fourth Proportional to 17,709.20, 24,441.06 and 11,439.80

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Solution

The fourth proportional to 17,709.20, 24,441.06 and 11,439.80 is: 15,788.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,709.20 : 24,441.06 = 11,439.80 : x
  2. Step 2: Convert to fraction form
    17,709.20/24,441.06 = 11,439.80/x
  3. Step 3: Cross multiply
    17,709.20x = 24,441.06 × 11,439.80
  4. Step 4: Simplify right side
    17,709.20x = 279,600,838.19
  5. Step 5: Solve for x
    x = 279,600,838.19/17,709.20
  6. Step 6: Final answer
    x = 15,788.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.