Home / 11,962.41-16,507.87-6,657.31

Finding the Fourth Proportional to 11,962.41, 16,507.87 and 6,657.31

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Solution

The fourth proportional to 11,962.41, 16,507.87 and 6,657.31 is: 9,186.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,962.41 : 16,507.87 = 6,657.31 : x
  2. Step 2: Convert to fraction form
    11,962.41/16,507.87 = 6,657.31/x
  3. Step 3: Cross multiply
    11,962.41x = 16,507.87 × 6,657.31
  4. Step 4: Simplify right side
    11,962.41x = 109,898,008.03
  5. Step 5: Solve for x
    x = 109,898,008.03/11,962.41
  6. Step 6: Final answer
    x = 9,186.95

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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.