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Finding the Fourth Proportional to 14,759.01, 22,142.43 and 8,507.77

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Solution

The fourth proportional to 14,759.01, 22,142.43 and 8,507.77 is: 12,763.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,759.01 : 22,142.43 = 8,507.77 : x
  2. Step 2: Convert to fraction form
    14,759.01/22,142.43 = 8,507.77/x
  3. Step 3: Cross multiply
    14,759.01x = 22,142.43 × 8,507.77
  4. Step 4: Simplify right side
    14,759.01x = 188,382,646.33
  5. Step 5: Solve for x
    x = 188,382,646.33/14,759.01
  6. Step 6: Final answer
    x = 12,763.91

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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.