Home / 12,184.20-18,241.02-7,535.88

Finding the Fourth Proportional to 12,184.20, 18,241.02 and 7,535.88

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Solution

The fourth proportional to 12,184.20, 18,241.02 and 7,535.88 is: 11,282.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,184.20 : 18,241.02 = 7,535.88 : x
  2. Step 2: Convert to fraction form
    12,184.20/18,241.02 = 7,535.88/x
  3. Step 3: Cross multiply
    12,184.20x = 18,241.02 × 7,535.88
  4. Step 4: Simplify right side
    12,184.20x = 137,462,137.80
  5. Step 5: Solve for x
    x = 137,462,137.80/12,184.20
  6. Step 6: Final answer
    x = 11,282.00

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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.