Home / 12,812.25-19,229.31-5,026.53

Finding the Fourth Proportional to 12,812.25, 19,229.31 and 5,026.53

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Solution

The fourth proportional to 12,812.25, 19,229.31 and 5,026.53 is: 7,544.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,812.25 : 19,229.31 = 5,026.53 : x
  2. Step 2: Convert to fraction form
    12,812.25/19,229.31 = 5,026.53/x
  3. Step 3: Cross multiply
    12,812.25x = 19,229.31 × 5,026.53
  4. Step 4: Simplify right side
    12,812.25x = 96,656,703.59
  5. Step 5: Solve for x
    x = 96,656,703.59/12,812.25
  6. Step 6: Final answer
    x = 7,544.09

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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.