Home / 11,917.34-16,445.25-6,881.25

Finding the Fourth Proportional to 11,917.34, 16,445.25 and 6,881.25

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Solution

The fourth proportional to 11,917.34, 16,445.25 and 6,881.25 is: 9,495.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,917.34 : 16,445.25 = 6,881.25 : x
  2. Step 2: Convert to fraction form
    11,917.34/16,445.25 = 6,881.25/x
  3. Step 3: Cross multiply
    11,917.34x = 16,445.25 × 6,881.25
  4. Step 4: Simplify right side
    11,917.34x = 113,163,876.56
  5. Step 5: Solve for x
    x = 113,163,876.56/11,917.34
  6. Step 6: Final answer
    x = 9,495.74

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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.