Home / 9,686.64-13,367.16-5,707.92

Finding the Fourth Proportional to 9,686.64, 13,367.16 and 5,707.92

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Solution

The fourth proportional to 9,686.64, 13,367.16 and 5,707.92 is: 7,876.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,686.64 : 13,367.16 = 5,707.92 : x
  2. Step 2: Convert to fraction form
    9,686.64/13,367.16 = 5,707.92/x
  3. Step 3: Cross multiply
    9,686.64x = 13,367.16 × 5,707.92
  4. Step 4: Simplify right side
    9,686.64x = 76,298,679.91
  5. Step 5: Solve for x
    x = 76,298,679.91/9,686.64
  6. Step 6: Final answer
    x = 7,876.69

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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.