Home / 11,934.95-16,459.24-8,112.31

Finding the Fourth Proportional to 11,934.95, 16,459.24 and 8,112.31

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Solution

The fourth proportional to 11,934.95, 16,459.24 and 8,112.31 is: 11,187.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,934.95 : 16,459.24 = 8,112.31 : x
  2. Step 2: Convert to fraction form
    11,934.95/16,459.24 = 8,112.31/x
  3. Step 3: Cross multiply
    11,934.95x = 16,459.24 × 8,112.31
  4. Step 4: Simplify right side
    11,934.95x = 133,522,457.24
  5. Step 5: Solve for x
    x = 133,522,457.24/11,934.95
  6. Step 6: Final answer
    x = 11,187.52

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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.