Home / 12,360.02-18,540.90-4,964.49

Finding the Fourth Proportional to 12,360.02, 18,540.90 and 4,964.49

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Solution

The fourth proportional to 12,360.02, 18,540.90 and 4,964.49 is: 7,447.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,360.02 : 18,540.90 = 4,964.49 : x
  2. Step 2: Convert to fraction form
    12,360.02/18,540.90 = 4,964.49/x
  3. Step 3: Cross multiply
    12,360.02x = 18,540.90 × 4,964.49
  4. Step 4: Simplify right side
    12,360.02x = 92,046,112.64
  5. Step 5: Solve for x
    x = 92,046,112.64/12,360.02
  6. Step 6: Final answer
    x = 7,447.08

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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.