Home / 12,900.59-19,351.79-4,463.58

Finding the Fourth Proportional to 12,900.59, 19,351.79 and 4,463.58

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Solution

The fourth proportional to 12,900.59, 19,351.79 and 4,463.58 is: 6,695.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,900.59 : 19,351.79 = 4,463.58 : x
  2. Step 2: Convert to fraction form
    12,900.59/19,351.79 = 4,463.58/x
  3. Step 3: Cross multiply
    12,900.59x = 19,351.79 × 4,463.58
  4. Step 4: Simplify right side
    12,900.59x = 86,378,240.49
  5. Step 5: Solve for x
    x = 86,378,240.49/12,900.59
  6. Step 6: Final answer
    x = 6,695.68

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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.