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Finding the Fourth Proportional to 16,089.99, 22,203.13 and 9,015.05

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Solution

The fourth proportional to 16,089.99, 22,203.13 and 9,015.05 is: 12,440.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,089.99 : 22,203.13 = 9,015.05 : x
  2. Step 2: Convert to fraction form
    16,089.99/22,203.13 = 9,015.05/x
  3. Step 3: Cross multiply
    16,089.99x = 22,203.13 × 9,015.05
  4. Step 4: Simplify right side
    16,089.99x = 200,162,327.11
  5. Step 5: Solve for x
    x = 200,162,327.11/16,089.99
  6. Step 6: Final answer
    x = 12,440.18

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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.