Home / 19,819.64-29,732.18-11,503.56

Finding the Fourth Proportional to 19,819.64, 29,732.18 and 11,503.56

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Solution

The fourth proportional to 19,819.64, 29,732.18 and 11,503.56 is: 17,256.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,819.64 : 29,732.18 = 11,503.56 : x
  2. Step 2: Convert to fraction form
    19,819.64/29,732.18 = 11,503.56/x
  3. Step 3: Cross multiply
    19,819.64x = 29,732.18 × 11,503.56
  4. Step 4: Simplify right side
    19,819.64x = 342,025,916.56
  5. Step 5: Solve for x
    x = 342,025,916.56/19,819.64
  6. Step 6: Final answer
    x = 17,256.92

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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.