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Finding the Fourth Proportional to 19,801.76, 29,702.64 and 5,950.76

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Solution

The fourth proportional to 19,801.76, 29,702.64 and 5,950.76 is: 8,926.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,801.76 : 29,702.64 = 5,950.76 : x
  2. Step 2: Convert to fraction form
    19,801.76/29,702.64 = 5,950.76/x
  3. Step 3: Cross multiply
    19,801.76x = 29,702.64 × 5,950.76
  4. Step 4: Simplify right side
    19,801.76x = 176,753,282.01
  5. Step 5: Solve for x
    x = 176,753,282.01/19,801.76
  6. Step 6: Final answer
    x = 8,926.14

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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.