Home / 10,856.36-14,982.36-6,876.02

Finding the Fourth Proportional to 10,856.36, 14,982.36 and 6,876.02

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Solution

The fourth proportional to 10,856.36, 14,982.36 and 6,876.02 is: 9,489.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856.36 : 14,982.36 = 6,876.02 : x
  2. Step 2: Convert to fraction form
    10,856.36/14,982.36 = 6,876.02/x
  3. Step 3: Cross multiply
    10,856.36x = 14,982.36 × 6,876.02
  4. Step 4: Simplify right side
    10,856.36x = 103,019,007.01
  5. Step 5: Solve for x
    x = 103,019,007.01/10,856.36
  6. Step 6: Final answer
    x = 9,489.28

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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.