Home / 12,544.02-18,817.96-4,223.38

Finding the Fourth Proportional to 12,544.02, 18,817.96 and 4,223.38

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Solution

The fourth proportional to 12,544.02, 18,817.96 and 4,223.38 is: 6,335.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,544.02 : 18,817.96 = 4,223.38 : x
  2. Step 2: Convert to fraction form
    12,544.02/18,817.96 = 4,223.38/x
  3. Step 3: Cross multiply
    12,544.02x = 18,817.96 × 4,223.38
  4. Step 4: Simplify right side
    12,544.02x = 79,475,395.90
  5. Step 5: Solve for x
    x = 79,475,395.90/12,544.02
  6. Step 6: Final answer
    x = 6,335.72

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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.