Home / 13,230.02-19,845.15-4,345.22

Finding the Fourth Proportional to 13,230.02, 19,845.15 and 4,345.22

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Solution

The fourth proportional to 13,230.02, 19,845.15 and 4,345.22 is: 6,517.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,230.02 : 19,845.15 = 4,345.22 : x
  2. Step 2: Convert to fraction form
    13,230.02/19,845.15 = 4,345.22/x
  3. Step 3: Cross multiply
    13,230.02x = 19,845.15 × 4,345.22
  4. Step 4: Simplify right side
    13,230.02x = 86,231,542.68
  5. Step 5: Solve for x
    x = 86,231,542.68/13,230.02
  6. Step 6: Final answer
    x = 6,517.87

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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.