Home / 12,459.02-18,689.54-3,694.41

Finding the Fourth Proportional to 12,459.02, 18,689.54 and 3,694.41

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Solution

The fourth proportional to 12,459.02, 18,689.54 and 3,694.41 is: 5,541.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,459.02 : 18,689.54 = 3,694.41 : x
  2. Step 2: Convert to fraction form
    12,459.02/18,689.54 = 3,694.41/x
  3. Step 3: Cross multiply
    12,459.02x = 18,689.54 × 3,694.41
  4. Step 4: Simplify right side
    12,459.02x = 69,046,805.00
  5. Step 5: Solve for x
    x = 69,046,805.00/12,459.02
  6. Step 6: Final answer
    x = 5,541.92

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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.