Home / 11,812.89-16,301.76-6,507.69

Finding the Fourth Proportional to 11,812.89, 16,301.76 and 6,507.69

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Solution

The fourth proportional to 11,812.89, 16,301.76 and 6,507.69 is: 8,980.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,812.89 : 16,301.76 = 6,507.69 : x
  2. Step 2: Convert to fraction form
    11,812.89/16,301.76 = 6,507.69/x
  3. Step 3: Cross multiply
    11,812.89x = 16,301.76 × 6,507.69
  4. Step 4: Simplify right side
    11,812.89x = 106,086,800.53
  5. Step 5: Solve for x
    x = 106,086,800.53/11,812.89
  6. Step 6: Final answer
    x = 8,980.60

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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.