Home / 12,940.02-19,393.20-6,368.04

Finding the Fourth Proportional to 12,940.02, 19,393.20 and 6,368.04

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Solution

The fourth proportional to 12,940.02, 19,393.20 and 6,368.04 is: 9,543.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,940.02 : 19,393.20 = 6,368.04 : x
  2. Step 2: Convert to fraction form
    12,940.02/19,393.20 = 6,368.04/x
  3. Step 3: Cross multiply
    12,940.02x = 19,393.20 × 6,368.04
  4. Step 4: Simplify right side
    12,940.02x = 123,496,673.33
  5. Step 5: Solve for x
    x = 123,496,673.33/12,940.02
  6. Step 6: Final answer
    x = 9,543.78

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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.