Home / 11,265.76-16,888.96-6,331.36

Finding the Fourth Proportional to 11,265.76, 16,888.96 and 6,331.36

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Solution

The fourth proportional to 11,265.76, 16,888.96 and 6,331.36 is: 9,491.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,265.76 : 16,888.96 = 6,331.36 : x
  2. Step 2: Convert to fraction form
    11,265.76/16,888.96 = 6,331.36/x
  3. Step 3: Cross multiply
    11,265.76x = 16,888.96 × 6,331.36
  4. Step 4: Simplify right side
    11,265.76x = 106,930,085.79
  5. Step 5: Solve for x
    x = 106,930,085.79/11,265.76
  6. Step 6: Final answer
    x = 9,491.60

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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.