Home / 10,431.52-14,396.88-6,716.32

Finding the Fourth Proportional to 10,431.52, 14,396.88 and 6,716.32

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Solution

The fourth proportional to 10,431.52, 14,396.88 and 6,716.32 is: 9,269.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,431.52 : 14,396.88 = 6,716.32 : x
  2. Step 2: Convert to fraction form
    10,431.52/14,396.88 = 6,716.32/x
  3. Step 3: Cross multiply
    10,431.52x = 14,396.88 × 6,716.32
  4. Step 4: Simplify right side
    10,431.52x = 96,694,053.08
  5. Step 5: Solve for x
    x = 96,694,053.08/10,431.52
  6. Step 6: Final answer
    x = 9,269.41

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1.5x scale

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.