Home / 11,259.31-15,536.77-6,222.72

Finding the Fourth Proportional to 11,259.31, 15,536.77 and 6,222.72

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Solution

The fourth proportional to 11,259.31, 15,536.77 and 6,222.72 is: 8,586.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,259.31 : 15,536.77 = 6,222.72 : x
  2. Step 2: Convert to fraction form
    11,259.31/15,536.77 = 6,222.72/x
  3. Step 3: Cross multiply
    11,259.31x = 15,536.77 × 6,222.72
  4. Step 4: Simplify right side
    11,259.31x = 96,680,953.86
  5. Step 5: Solve for x
    x = 96,680,953.86/11,259.31
  6. Step 6: Final answer
    x = 8,586.76

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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.