Home / 11,487.76-17,220.12-9,529.36

Finding the Fourth Proportional to 11,487.76, 17,220.12 and 9,529.36

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Solution

The fourth proportional to 11,487.76, 17,220.12 and 9,529.36 is: 14,284.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,487.76 : 17,220.12 = 9,529.36 : x
  2. Step 2: Convert to fraction form
    11,487.76/17,220.12 = 9,529.36/x
  3. Step 3: Cross multiply
    11,487.76x = 17,220.12 × 9,529.36
  4. Step 4: Simplify right side
    11,487.76x = 164,096,722.72
  5. Step 5: Solve for x
    x = 164,096,722.72/11,487.76
  6. Step 6: Final answer
    x = 14,284.48

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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.