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Finding the Fourth Proportional to 15,107.21, 22,664.05 and 6,337.07

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Solution

The fourth proportional to 15,107.21, 22,664.05 and 6,337.07 is: 9,506.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,107.21 : 22,664.05 = 6,337.07 : x
  2. Step 2: Convert to fraction form
    15,107.21/22,664.05 = 6,337.07/x
  3. Step 3: Cross multiply
    15,107.21x = 22,664.05 × 6,337.07
  4. Step 4: Simplify right side
    15,107.21x = 143,623,558.01
  5. Step 5: Solve for x
    x = 143,623,558.01/15,107.21
  6. Step 6: Final answer
    x = 9,506.96

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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.