Home / 12,451.15-18,679.02-3,566.10

Finding the Fourth Proportional to 12,451.15, 18,679.02 and 3,566.10

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Solution

The fourth proportional to 12,451.15, 18,679.02 and 3,566.10 is: 5,349.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451.15 : 18,679.02 = 3,566.10 : x
  2. Step 2: Convert to fraction form
    12,451.15/18,679.02 = 3,566.10/x
  3. Step 3: Cross multiply
    12,451.15x = 18,679.02 × 3,566.10
  4. Step 4: Simplify right side
    12,451.15x = 66,611,253.22
  5. Step 5: Solve for x
    x = 66,611,253.22/12,451.15
  6. Step 6: Final answer
    x = 5,349.81

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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.