Home / 21,801.08-32,706.12-6,807.80

Finding the Fourth Proportional to 21,801.08, 32,706.12 and 6,807.80

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Solution

The fourth proportional to 21,801.08, 32,706.12 and 6,807.80 is: 10,213.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,801.08 : 32,706.12 = 6,807.80 : x
  2. Step 2: Convert to fraction form
    21,801.08/32,706.12 = 6,807.80/x
  3. Step 3: Cross multiply
    21,801.08x = 32,706.12 × 6,807.80
  4. Step 4: Simplify right side
    21,801.08x = 222,656,723.74
  5. Step 5: Solve for x
    x = 222,656,723.74/21,801.08
  6. Step 6: Final answer
    x = 10,213.11

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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.