Home / 19,270.20-28,916.24-7,591.62

Finding the Fourth Proportional to 19,270.20, 28,916.24 and 7,591.62

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Solution

The fourth proportional to 19,270.20, 28,916.24 and 7,591.62 is: 11,391.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,270.20 : 28,916.24 = 7,591.62 : x
  2. Step 2: Convert to fraction form
    19,270.20/28,916.24 = 7,591.62/x
  3. Step 3: Cross multiply
    19,270.20x = 28,916.24 × 7,591.62
  4. Step 4: Simplify right side
    19,270.20x = 219,521,219.09
  5. Step 5: Solve for x
    x = 219,521,219.09/19,270.20
  6. Step 6: Final answer
    x = 11,391.74

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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.