Home / 11,347.31-15,657.38-6,310.86

Finding the Fourth Proportional to 11,347.31, 15,657.38 and 6,310.86

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Solution

The fourth proportional to 11,347.31, 15,657.38 and 6,310.86 is: 8,707.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,347.31 : 15,657.38 = 6,310.86 : x
  2. Step 2: Convert to fraction form
    11,347.31/15,657.38 = 6,310.86/x
  3. Step 3: Cross multiply
    11,347.31x = 15,657.38 × 6,310.86
  4. Step 4: Simplify right side
    11,347.31x = 98,811,548.92
  5. Step 5: Solve for x
    x = 98,811,548.92/11,347.31
  6. Step 6: Final answer
    x = 8,707.93

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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.