Home / 11,865.52-16,374.41-6,487.98

Finding the Fourth Proportional to 11,865.52, 16,374.41 and 6,487.98

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Solution

The fourth proportional to 11,865.52, 16,374.41 and 6,487.98 is: 8,953.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,865.52 : 16,374.41 = 6,487.98 : x
  2. Step 2: Convert to fraction form
    11,865.52/16,374.41 = 6,487.98/x
  3. Step 3: Cross multiply
    11,865.52x = 16,374.41 × 6,487.98
  4. Step 4: Simplify right side
    11,865.52x = 106,236,844.59
  5. Step 5: Solve for x
    x = 106,236,844.59/11,865.52
  6. Step 6: Final answer
    x = 8,953.41

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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.