Home / 19,893.20-29,839.68-5,102.16

Finding the Fourth Proportional to 19,893.20, 29,839.68 and 5,102.16

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Solution

The fourth proportional to 19,893.20, 29,839.68 and 5,102.16 is: 7,653.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,893.20 : 29,839.68 = 5,102.16 : x
  2. Step 2: Convert to fraction form
    19,893.20/29,839.68 = 5,102.16/x
  3. Step 3: Cross multiply
    19,893.20x = 29,839.68 × 5,102.16
  4. Step 4: Simplify right side
    19,893.20x = 152,246,821.71
  5. Step 5: Solve for x
    x = 152,246,821.71/19,893.20
  6. Step 6: Final answer
    x = 7,653.21

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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.