Home / 10,716.35-14,795.79-6,689.32

Finding the Fourth Proportional to 10,716.35, 14,795.79 and 6,689.32

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Solution

The fourth proportional to 10,716.35, 14,795.79 and 6,689.32 is: 9,235.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,716.35 : 14,795.79 = 6,689.32 : x
  2. Step 2: Convert to fraction form
    10,716.35/14,795.79 = 6,689.32/x
  3. Step 3: Cross multiply
    10,716.35x = 14,795.79 × 6,689.32
  4. Step 4: Simplify right side
    10,716.35x = 98,973,734.32
  5. Step 5: Solve for x
    x = 98,973,734.32/10,716.35
  6. Step 6: Final answer
    x = 9,235.77

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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.