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Finding the Fourth Proportional to 19,874.48, 29,807.80 and 6,020.24

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Solution

The fourth proportional to 19,874.48, 29,807.80 and 6,020.24 is: 9,029.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,874.48 : 29,807.80 = 6,020.24 : x
  2. Step 2: Convert to fraction form
    19,874.48/29,807.80 = 6,020.24/x
  3. Step 3: Cross multiply
    19,874.48x = 29,807.80 × 6,020.24
  4. Step 4: Simplify right side
    19,874.48x = 179,450,109.87
  5. Step 5: Solve for x
    x = 179,450,109.87/19,874.48
  6. Step 6: Final answer
    x = 9,029.17

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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.