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Finding the Fourth Proportional to 19,807, 29,673.42 and 9,934.72

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Solution

The fourth proportional to 19,807, 29,673.42 and 9,934.72 is: 14,883.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,807 : 29,673.42 = 9,934.72 : x
  2. Step 2: Convert to fraction form
    19,807/29,673.42 = 9,934.72/x
  3. Step 3: Cross multiply
    19,807x = 29,673.42 × 9,934.72
  4. Step 4: Simplify right side
    19,807x = 294,797,119.14
  5. Step 5: Solve for x
    x = 294,797,119.14/19,807
  6. Step 6: Final answer
    x = 14,883.48

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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.