Home / 11,345.58-15,656.22-6,309.54

Finding the Fourth Proportional to 11,345.58, 15,656.22 and 6,309.54

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Solution

The fourth proportional to 11,345.58, 15,656.22 and 6,309.54 is: 8,706.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,345.58 : 15,656.22 = 6,309.54 : x
  2. Step 2: Convert to fraction form
    11,345.58/15,656.22 = 6,309.54/x
  3. Step 3: Cross multiply
    11,345.58x = 15,656.22 × 6,309.54
  4. Step 4: Simplify right side
    11,345.58x = 98,783,546.34
  5. Step 5: Solve for x
    x = 98,783,546.34/11,345.58
  6. Step 6: Final answer
    x = 8,706.79

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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.