Home / 12,580.28-17,360.66-6,837.86

Finding the Fourth Proportional to 12,580.28, 17,360.66 and 6,837.86

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Solution

The fourth proportional to 12,580.28, 17,360.66 and 6,837.86 is: 9,436.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,580.28 : 17,360.66 = 6,837.86 : x
  2. Step 2: Convert to fraction form
    12,580.28/17,360.66 = 6,837.86/x
  3. Step 3: Cross multiply
    12,580.28x = 17,360.66 × 6,837.86
  4. Step 4: Simplify right side
    12,580.28x = 118,709,762.59
  5. Step 5: Solve for x
    x = 118,709,762.59/12,580.28
  6. Step 6: Final answer
    x = 9,436.18

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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.