Home / 10,187.72-15,249.59-7,006.59

Finding the Fourth Proportional to 10,187.72, 15,249.59 and 7,006.59

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Solution

The fourth proportional to 10,187.72, 15,249.59 and 7,006.59 is: 10,487.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,187.72 : 15,249.59 = 7,006.59 : x
  2. Step 2: Convert to fraction form
    10,187.72/15,249.59 = 7,006.59/x
  3. Step 3: Cross multiply
    10,187.72x = 15,249.59 × 7,006.59
  4. Step 4: Simplify right side
    10,187.72x = 106,847,589.77
  5. Step 5: Solve for x
    x = 106,847,589.77/10,187.72
  6. Step 6: Final answer
    x = 10,487.89

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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.