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Finding the Fourth Proportional to 9,000.99, 13,493.32 and 3,154.41

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Solution

The fourth proportional to 9,000.99, 13,493.32 and 3,154.41 is: 4,728.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000.99 : 13,493.32 = 3,154.41 : x
  2. Step 2: Convert to fraction form
    9,000.99/13,493.32 = 3,154.41/x
  3. Step 3: Cross multiply
    9,000.99x = 13,493.32 × 3,154.41
  4. Step 4: Simplify right side
    9,000.99x = 42,563,455.66
  5. Step 5: Solve for x
    x = 42,563,455.66/9,000.99
  6. Step 6: Final answer
    x = 4,728.75

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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.