Home / 12,708.73-19,064.51-4,387.80

Finding the Fourth Proportional to 12,708.73, 19,064.51 and 4,387.80

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Solution

The fourth proportional to 12,708.73, 19,064.51 and 4,387.80 is: 6,582.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,708.73 : 19,064.51 = 4,387.80 : x
  2. Step 2: Convert to fraction form
    12,708.73/19,064.51 = 4,387.80/x
  3. Step 3: Cross multiply
    12,708.73x = 19,064.51 × 4,387.80
  4. Step 4: Simplify right side
    12,708.73x = 83,651,256.98
  5. Step 5: Solve for x
    x = 83,651,256.98/12,708.73
  6. Step 6: Final answer
    x = 6,582.19

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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.