Home / 15,161.48-22,742.22-5,921

Finding the Fourth Proportional to 15,161.48, 22,742.22 and 5,921

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Solution

The fourth proportional to 15,161.48, 22,742.22 and 5,921 is: 8,881.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,161.48 : 22,742.22 = 5,921 : x
  2. Step 2: Convert to fraction form
    15,161.48/22,742.22 = 5,921/x
  3. Step 3: Cross multiply
    15,161.48x = 22,742.22 × 5,921
  4. Step 4: Simplify right side
    15,161.48x = 134,656,684.62
  5. Step 5: Solve for x
    x = 134,656,684.62/15,161.48
  6. Step 6: Final answer
    x = 8,881.50

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Half scale
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Double scale
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Similar ratio
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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.