Home / 10,918.64-15,068.99-6,073.86

Finding the Fourth Proportional to 10,918.64, 15,068.99 and 6,073.86

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Solution

The fourth proportional to 10,918.64, 15,068.99 and 6,073.86 is: 8,382.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,918.64 : 15,068.99 = 6,073.86 : x
  2. Step 2: Convert to fraction form
    10,918.64/15,068.99 = 6,073.86/x
  3. Step 3: Cross multiply
    10,918.64x = 15,068.99 × 6,073.86
  4. Step 4: Simplify right side
    10,918.64x = 91,526,829.89
  5. Step 5: Solve for x
    x = 91,526,829.89/10,918.64
  6. Step 6: Final answer
    x = 8,382.62

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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.