Home / 10,718.56-16,071.36-7,245.28

Finding the Fourth Proportional to 10,718.56, 16,071.36 and 7,245.28

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Solution

The fourth proportional to 10,718.56, 16,071.36 and 7,245.28 is: 10,863.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,718.56 : 16,071.36 = 7,245.28 : x
  2. Step 2: Convert to fraction form
    10,718.56/16,071.36 = 7,245.28/x
  3. Step 3: Cross multiply
    10,718.56x = 16,071.36 × 7,245.28
  4. Step 4: Simplify right side
    10,718.56x = 116,441,503.18
  5. Step 5: Solve for x
    x = 116,441,503.18/10,718.56
  6. Step 6: Final answer
    x = 10,863.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.