Home / 12,039.02-18,062.79-5,374.90

Finding the Fourth Proportional to 12,039.02, 18,062.79 and 5,374.90

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Solution

The fourth proportional to 12,039.02, 18,062.79 and 5,374.90 is: 8,064.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,039.02 : 18,062.79 = 5,374.90 : x
  2. Step 2: Convert to fraction form
    12,039.02/18,062.79 = 5,374.90/x
  3. Step 3: Cross multiply
    12,039.02x = 18,062.79 × 5,374.90
  4. Step 4: Simplify right side
    12,039.02x = 97,085,689.97
  5. Step 5: Solve for x
    x = 97,085,689.97/12,039.02
  6. Step 6: Final answer
    x = 8,064.25

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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.