Home / 11,169.09-16,820.06-9,725.67

Finding the Fourth Proportional to 11,169.09, 16,820.06 and 9,725.67

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Solution

The fourth proportional to 11,169.09, 16,820.06 and 9,725.67 is: 14,646.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,169.09 : 16,820.06 = 9,725.67 : x
  2. Step 2: Convert to fraction form
    11,169.09/16,820.06 = 9,725.67/x
  3. Step 3: Cross multiply
    11,169.09x = 16,820.06 × 9,725.67
  4. Step 4: Simplify right side
    11,169.09x = 163,586,304.31
  5. Step 5: Solve for x
    x = 163,586,304.31/11,169.09
  6. Step 6: Final answer
    x = 14,646.34

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.