Home / 16,666.72-25,000.08-4,979.56

Finding the Fourth Proportional to 16,666.72, 25,000.08 and 4,979.56

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Solution

The fourth proportional to 16,666.72, 25,000.08 and 4,979.56 is: 7,469.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,666.72 : 25,000.08 = 4,979.56 : x
  2. Step 2: Convert to fraction form
    16,666.72/25,000.08 = 4,979.56/x
  3. Step 3: Cross multiply
    16,666.72x = 25,000.08 × 4,979.56
  4. Step 4: Simplify right side
    16,666.72x = 124,489,398.36
  5. Step 5: Solve for x
    x = 124,489,398.36/16,666.72
  6. Step 6: Final answer
    x = 7,469.34

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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.