Home / 12,535.02-18,799.20-3,770.28

Finding the Fourth Proportional to 12,535.02, 18,799.20 and 3,770.28

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Solution

The fourth proportional to 12,535.02, 18,799.20 and 3,770.28 is: 5,654.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,535.02 : 18,799.20 = 3,770.28 : x
  2. Step 2: Convert to fraction form
    12,535.02/18,799.20 = 3,770.28/x
  3. Step 3: Cross multiply
    12,535.02x = 18,799.20 × 3,770.28
  4. Step 4: Simplify right side
    12,535.02x = 70,878,247.78
  5. Step 5: Solve for x
    x = 70,878,247.78/12,535.02
  6. Step 6: Final answer
    x = 5,654.42

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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.