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Finding the Fourth Proportional to 20,373.63, 30,561.03 and 9,274.59

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Solution

The fourth proportional to 20,373.63, 30,561.03 and 9,274.59 is: 13,912.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,373.63 : 30,561.03 = 9,274.59 : x
  2. Step 2: Convert to fraction form
    20,373.63/30,561.03 = 9,274.59/x
  3. Step 3: Cross multiply
    20,373.63x = 30,561.03 × 9,274.59
  4. Step 4: Simplify right side
    20,373.63x = 283,441,023.23
  5. Step 5: Solve for x
    x = 283,441,023.23/20,373.63
  6. Step 6: Final answer
    x = 13,912.15

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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.