Home / 11,812.72-16,301.67-6,507.63

Finding the Fourth Proportional to 11,812.72, 16,301.67 and 6,507.63

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Solution

The fourth proportional to 11,812.72, 16,301.67 and 6,507.63 is: 8,980.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,812.72 : 16,301.67 = 6,507.63 : x
  2. Step 2: Convert to fraction form
    11,812.72/16,301.67 = 6,507.63/x
  3. Step 3: Cross multiply
    11,812.72x = 16,301.67 × 6,507.63
  4. Step 4: Simplify right side
    11,812.72x = 106,085,236.74
  5. Step 5: Solve for x
    x = 106,085,236.74/11,812.72
  6. Step 6: Final answer
    x = 8,980.59

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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.