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Finding the Fourth Proportional to 9,445.74, 14,156.28 and 3,892.74

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Solution

The fourth proportional to 9,445.74, 14,156.28 and 3,892.74 is: 5,834.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,445.74 : 14,156.28 = 3,892.74 : x
  2. Step 2: Convert to fraction form
    9,445.74/14,156.28 = 3,892.74/x
  3. Step 3: Cross multiply
    9,445.74x = 14,156.28 × 3,892.74
  4. Step 4: Simplify right side
    9,445.74x = 55,106,717.41
  5. Step 5: Solve for x
    x = 55,106,717.41/9,445.74
  6. Step 6: Final answer
    x = 5,834.03

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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.