Home / 10,722.29-16,065.64-7,586.75

Finding the Fourth Proportional to 10,722.29, 16,065.64 and 7,586.75

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Solution

The fourth proportional to 10,722.29, 16,065.64 and 7,586.75 is: 11,367.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,722.29 : 16,065.64 = 7,586.75 : x
  2. Step 2: Convert to fraction form
    10,722.29/16,065.64 = 7,586.75/x
  3. Step 3: Cross multiply
    10,722.29x = 16,065.64 × 7,586.75
  4. Step 4: Simplify right side
    10,722.29x = 121,885,997.90
  5. Step 5: Solve for x
    x = 121,885,997.90/10,722.29
  6. Step 6: Final answer
    x = 11,367.54

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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.