Home / 16,679.26-25,018.87-7,909.39

Finding the Fourth Proportional to 16,679.26, 25,018.87 and 7,909.39

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Solution

The fourth proportional to 16,679.26, 25,018.87 and 7,909.39 is: 11,864.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,679.26 : 25,018.87 = 7,909.39 : x
  2. Step 2: Convert to fraction form
    16,679.26/25,018.87 = 7,909.39/x
  3. Step 3: Cross multiply
    16,679.26x = 25,018.87 × 7,909.39
  4. Step 4: Simplify right side
    16,679.26x = 197,884,000.19
  5. Step 5: Solve for x
    x = 197,884,000.19/16,679.26
  6. Step 6: Final answer
    x = 11,864.08

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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.