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Finding the Fourth Proportional to 19,367.17, 29,050.76 and 13,535.17

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Solution

The fourth proportional to 19,367.17, 29,050.76 and 13,535.17 is: 20,302.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,367.17 : 29,050.76 = 13,535.17 : x
  2. Step 2: Convert to fraction form
    19,367.17/29,050.76 = 13,535.17/x
  3. Step 3: Cross multiply
    19,367.17x = 29,050.76 × 13,535.17
  4. Step 4: Simplify right side
    19,367.17x = 393,206,907.55
  5. Step 5: Solve for x
    x = 393,206,907.55/19,367.17
  6. Step 6: Final answer
    x = 20,302.76

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Similar ratio
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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.