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Finding the Fourth Proportional to 22,442.59, 30,991.71 and 14,073.67

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Solution

The fourth proportional to 22,442.59, 30,991.71 and 14,073.67 is: 19,434.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,442.59 : 30,991.71 = 14,073.67 : x
  2. Step 2: Convert to fraction form
    22,442.59/30,991.71 = 14,073.67/x
  3. Step 3: Cross multiply
    22,442.59x = 30,991.71 × 14,073.67
  4. Step 4: Simplify right side
    22,442.59x = 436,167,099.28
  5. Step 5: Solve for x
    x = 436,167,099.28/22,442.59
  6. Step 6: Final answer
    x = 19,434.79

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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.