Home / 19,170.89-28,759.58-10,867.17

Finding the Fourth Proportional to 19,170.89, 28,759.58 and 10,867.17

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Solution

The fourth proportional to 19,170.89, 28,759.58 and 10,867.17 is: 16,302.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,170.89 : 28,759.58 = 10,867.17 : x
  2. Step 2: Convert to fraction form
    19,170.89/28,759.58 = 10,867.17/x
  3. Step 3: Cross multiply
    19,170.89x = 28,759.58 × 10,867.17
  4. Step 4: Simplify right side
    19,170.89x = 312,535,244.99
  5. Step 5: Solve for x
    x = 312,535,244.99/19,170.89
  6. Step 6: Final answer
    x = 16,302.59

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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.