Home / 15,109.86-22,665.06-5,249.46

Finding the Fourth Proportional to 15,109.86, 22,665.06 and 5,249.46

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Solution

The fourth proportional to 15,109.86, 22,665.06 and 5,249.46 is: 7,874.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,109.86 : 22,665.06 = 5,249.46 : x
  2. Step 2: Convert to fraction form
    15,109.86/22,665.06 = 5,249.46/x
  3. Step 3: Cross multiply
    15,109.86x = 22,665.06 × 5,249.46
  4. Step 4: Simplify right side
    15,109.86x = 118,979,325.87
  5. Step 5: Solve for x
    x = 118,979,325.87/15,109.86
  6. Step 6: Final answer
    x = 7,874.28

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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.