Home / 12,708.62-19,063.77-4,389.44

Finding the Fourth Proportional to 12,708.62, 19,063.77 and 4,389.44

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Solution

The fourth proportional to 12,708.62, 19,063.77 and 4,389.44 is: 6,584.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,708.62 : 19,063.77 = 4,389.44 : x
  2. Step 2: Convert to fraction form
    12,708.62/19,063.77 = 4,389.44/x
  3. Step 3: Cross multiply
    12,708.62x = 19,063.77 × 4,389.44
  4. Step 4: Simplify right side
    12,708.62x = 83,679,274.59
  5. Step 5: Solve for x
    x = 83,679,274.59/12,708.62
  6. Step 6: Final answer
    x = 6,584.45

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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.