Home / 13,551.02-20,321.25-4,664.66

Finding the Fourth Proportional to 13,551.02, 20,321.25 and 4,664.66

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Solution

The fourth proportional to 13,551.02, 20,321.25 and 4,664.66 is: 6,995.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,551.02 : 20,321.25 = 4,664.66 : x
  2. Step 2: Convert to fraction form
    13,551.02/20,321.25 = 4,664.66/x
  3. Step 3: Cross multiply
    13,551.02x = 20,321.25 × 4,664.66
  4. Step 4: Simplify right side
    13,551.02x = 94,791,813.74
  5. Step 5: Solve for x
    x = 94,791,813.74/13,551.02
  6. Step 6: Final answer
    x = 6,995.18

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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.