Home / 11,946.76-17,905.50-9,015.88

Finding the Fourth Proportional to 11,946.76, 17,905.50 and 9,015.88

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Solution

The fourth proportional to 11,946.76, 17,905.50 and 9,015.88 is: 13,512.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,946.76 : 17,905.50 = 9,015.88 : x
  2. Step 2: Convert to fraction form
    11,946.76/17,905.50 = 9,015.88/x
  3. Step 3: Cross multiply
    11,946.76x = 17,905.50 × 9,015.88
  4. Step 4: Simplify right side
    11,946.76x = 161,433,839.34
  5. Step 5: Solve for x
    x = 161,433,839.34/11,946.76
  6. Step 6: Final answer
    x = 13,512.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.