Home / 11,285.72-15,573.12-6,249.81

Finding the Fourth Proportional to 11,285.72, 15,573.12 and 6,249.81

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Solution

The fourth proportional to 11,285.72, 15,573.12 and 6,249.81 is: 8,624.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,285.72 : 15,573.12 = 6,249.81 : x
  2. Step 2: Convert to fraction form
    11,285.72/15,573.12 = 6,249.81/x
  3. Step 3: Cross multiply
    11,285.72x = 15,573.12 × 6,249.81
  4. Step 4: Simplify right side
    11,285.72x = 97,328,959.27
  5. Step 5: Solve for x
    x = 97,328,959.27/11,285.72
  6. Step 6: Final answer
    x = 8,624.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.