Home / 10,320.96-14,234.64-6,782.88

Finding the Fourth Proportional to 10,320.96, 14,234.64 and 6,782.88

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Solution

The fourth proportional to 10,320.96, 14,234.64 and 6,782.88 is: 9,354.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,320.96 : 14,234.64 = 6,782.88 : x
  2. Step 2: Convert to fraction form
    10,320.96/14,234.64 = 6,782.88/x
  3. Step 3: Cross multiply
    10,320.96x = 14,234.64 × 6,782.88
  4. Step 4: Simplify right side
    10,320.96x = 96,551,854.96
  5. Step 5: Solve for x
    x = 96,551,854.96/10,320.96
  6. Step 6: Final answer
    x = 9,354.93

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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.