Home / 11,345.46-15,656.76-6,309.96

Finding the Fourth Proportional to 11,345.46, 15,656.76 and 6,309.96

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Solution

The fourth proportional to 11,345.46, 15,656.76 and 6,309.96 is: 8,707.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,345.46 : 15,656.76 = 6,309.96 : x
  2. Step 2: Convert to fraction form
    11,345.46/15,656.76 = 6,309.96/x
  3. Step 3: Cross multiply
    11,345.46x = 15,656.76 × 6,309.96
  4. Step 4: Simplify right side
    11,345.46x = 98,793,529.33
  5. Step 5: Solve for x
    x = 98,793,529.33/11,345.46
  6. Step 6: Final answer
    x = 8,707.76

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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.