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Finding the Fourth Proportional to 16,663.74, 25,005.93 and 6,803.01

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Solution

The fourth proportional to 16,663.74, 25,005.93 and 6,803.01 is: 10,208.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,663.74 : 25,005.93 = 6,803.01 : x
  2. Step 2: Convert to fraction form
    16,663.74/25,005.93 = 6,803.01/x
  3. Step 3: Cross multiply
    16,663.74x = 25,005.93 × 6,803.01
  4. Step 4: Simplify right side
    16,663.74x = 170,115,591.85
  5. Step 5: Solve for x
    x = 170,115,591.85/16,663.74
  6. Step 6: Final answer
    x = 10,208.73

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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.