Home / 19,230.29-28,841.78-8,144.76

Finding the Fourth Proportional to 19,230.29, 28,841.78 and 8,144.76

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Solution

The fourth proportional to 19,230.29, 28,841.78 and 8,144.76 is: 12,215.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,230.29 : 28,841.78 = 8,144.76 : x
  2. Step 2: Convert to fraction form
    19,230.29/28,841.78 = 8,144.76/x
  3. Step 3: Cross multiply
    19,230.29x = 28,841.78 × 8,144.76
  4. Step 4: Simplify right side
    19,230.29x = 234,909,376.07
  5. Step 5: Solve for x
    x = 234,909,376.07/19,230.29
  6. Step 6: Final answer
    x = 12,215.59

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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.