Home / 11,861.17-16,349.56-9,339.28

Finding the Fourth Proportional to 11,861.17, 16,349.56 and 9,339.28

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Solution

The fourth proportional to 11,861.17, 16,349.56 and 9,339.28 is: 12,873.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,861.17 : 16,349.56 = 9,339.28 : x
  2. Step 2: Convert to fraction form
    11,861.17/16,349.56 = 9,339.28/x
  3. Step 3: Cross multiply
    11,861.17x = 16,349.56 × 9,339.28
  4. Step 4: Simplify right side
    11,861.17x = 152,693,118.72
  5. Step 5: Solve for x
    x = 152,693,118.72/11,861.17
  6. Step 6: Final answer
    x = 12,873.36

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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.