Home / 10,659.32-15,983.16-6,910.72

Finding the Fourth Proportional to 10,659.32, 15,983.16 and 6,910.72

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Solution

The fourth proportional to 10,659.32, 15,983.16 and 6,910.72 is: 10,362.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,659.32 : 15,983.16 = 6,910.72 : x
  2. Step 2: Convert to fraction form
    10,659.32/15,983.16 = 6,910.72/x
  3. Step 3: Cross multiply
    10,659.32x = 15,983.16 × 6,910.72
  4. Step 4: Simplify right side
    10,659.32x = 110,455,143.48
  5. Step 5: Solve for x
    x = 110,455,143.48/10,659.32
  6. Step 6: Final answer
    x = 10,362.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.