Home / 10,539.96-15,786.64-6,830.97

Finding the Fourth Proportional to 10,539.96, 15,786.64 and 6,830.97

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Solution

The fourth proportional to 10,539.96, 15,786.64 and 6,830.97 is: 10,231.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,539.96 : 15,786.64 = 6,830.97 : x
  2. Step 2: Convert to fraction form
    10,539.96/15,786.64 = 6,830.97/x
  3. Step 3: Cross multiply
    10,539.96x = 15,786.64 × 6,830.97
  4. Step 4: Simplify right side
    10,539.96x = 107,838,064.24
  5. Step 5: Solve for x
    x = 107,838,064.24/10,539.96
  6. Step 6: Final answer
    x = 10,231.35

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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.