Home / 12,859.48-19,291.44-4,425.58

Finding the Fourth Proportional to 12,859.48, 19,291.44 and 4,425.58

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Solution

The fourth proportional to 12,859.48, 19,291.44 and 4,425.58 is: 6,639.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,859.48 : 19,291.44 = 4,425.58 : x
  2. Step 2: Convert to fraction form
    12,859.48/19,291.44 = 4,425.58/x
  3. Step 3: Cross multiply
    12,859.48x = 19,291.44 × 4,425.58
  4. Step 4: Simplify right side
    12,859.48x = 85,375,811.04
  5. Step 5: Solve for x
    x = 85,375,811.04/12,859.48
  6. Step 6: Final answer
    x = 6,639.13

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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.