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Finding the Fourth Proportional to 16,687.47, 25,041.06 and 6,164.82

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Solution

The fourth proportional to 16,687.47, 25,041.06 and 6,164.82 is: 9,250.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,687.47 : 25,041.06 = 6,164.82 : x
  2. Step 2: Convert to fraction form
    16,687.47/25,041.06 = 6,164.82/x
  3. Step 3: Cross multiply
    16,687.47x = 25,041.06 × 6,164.82
  4. Step 4: Simplify right side
    16,687.47x = 154,373,627.51
  5. Step 5: Solve for x
    x = 154,373,627.51/16,687.47
  6. Step 6: Final answer
    x = 9,250.87

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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.