Home / 11,109.19-15,330.68-6,073.43

Finding the Fourth Proportional to 11,109.19, 15,330.68 and 6,073.43

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Solution

The fourth proportional to 11,109.19, 15,330.68 and 6,073.43 is: 8,381.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,109.19 : 15,330.68 = 6,073.43 : x
  2. Step 2: Convert to fraction form
    11,109.19/15,330.68 = 6,073.43/x
  3. Step 3: Cross multiply
    11,109.19x = 15,330.68 × 6,073.43
  4. Step 4: Simplify right side
    11,109.19x = 93,109,762.30
  5. Step 5: Solve for x
    x = 93,109,762.30/11,109.19
  6. Step 6: Final answer
    x = 8,381.33

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Half scale
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Double scale
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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.