Home / 12,900.60-19,335.78-5,960.52

Finding the Fourth Proportional to 12,900.60, 19,335.78 and 5,960.52

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Solution

The fourth proportional to 12,900.60, 19,335.78 and 5,960.52 is: 8,933.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,900.60 : 19,335.78 = 5,960.52 : x
  2. Step 2: Convert to fraction form
    12,900.60/19,335.78 = 5,960.52/x
  3. Step 3: Cross multiply
    12,900.60x = 19,335.78 × 5,960.52
  4. Step 4: Simplify right side
    12,900.60x = 115,251,303.41
  5. Step 5: Solve for x
    x = 115,251,303.41/12,900.60
  6. Step 6: Final answer
    x = 8,933.79

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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.