Home / 12,715.64-19,067.30-4,392.74

Finding the Fourth Proportional to 12,715.64, 19,067.30 and 4,392.74

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Solution

The fourth proportional to 12,715.64, 19,067.30 and 4,392.74 is: 6,586.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,715.64 : 19,067.30 = 4,392.74 : x
  2. Step 2: Convert to fraction form
    12,715.64/19,067.30 = 4,392.74/x
  3. Step 3: Cross multiply
    12,715.64x = 19,067.30 × 4,392.74
  4. Step 4: Simplify right side
    12,715.64x = 83,757,607.05
  5. Step 5: Solve for x
    x = 83,757,607.05/12,715.64
  6. Step 6: Final answer
    x = 6,586.98

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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.