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Finding the Fourth Proportional to 9,892.08, 14,738.21 and 9,421.88

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Solution

The fourth proportional to 9,892.08, 14,738.21 and 9,421.88 is: 14,037.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,892.08 : 14,738.21 = 9,421.88 : x
  2. Step 2: Convert to fraction form
    9,892.08/14,738.21 = 9,421.88/x
  3. Step 3: Cross multiply
    9,892.08x = 14,738.21 × 9,421.88
  4. Step 4: Simplify right side
    9,892.08x = 138,861,525.23
  5. Step 5: Solve for x
    x = 138,861,525.23/9,892.08
  6. Step 6: Final answer
    x = 14,037.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.