Home / 19,954.10-29,935.20-6,807.80

Finding the Fourth Proportional to 19,954.10, 29,935.20 and 6,807.80

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Solution

The fourth proportional to 19,954.10, 29,935.20 and 6,807.80 is: 10,213.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,954.10 : 29,935.20 = 6,807.80 : x
  2. Step 2: Convert to fraction form
    19,954.10/29,935.20 = 6,807.80/x
  3. Step 3: Cross multiply
    19,954.10x = 29,935.20 × 6,807.80
  4. Step 4: Simplify right side
    19,954.10x = 203,792,854.56
  5. Step 5: Solve for x
    x = 203,792,854.56/19,954.10
  6. Step 6: Final answer
    x = 10,213.08

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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.