Home / 14,255.94-19,672.98-8,289.74

Finding the Fourth Proportional to 14,255.94, 19,672.98 and 8,289.74

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Solution

The fourth proportional to 14,255.94, 19,672.98 and 8,289.74 is: 11,439.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,255.94 : 19,672.98 = 8,289.74 : x
  2. Step 2: Convert to fraction form
    14,255.94/19,672.98 = 8,289.74/x
  3. Step 3: Cross multiply
    14,255.94x = 19,672.98 × 8,289.74
  4. Step 4: Simplify right side
    14,255.94x = 163,083,889.23
  5. Step 5: Solve for x
    x = 163,083,889.23/14,255.94
  6. Step 6: Final answer
    x = 11,439.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.