Home / 10,211.52-14,097.60-9,511.68

Finding the Fourth Proportional to 10,211.52, 14,097.60 and 9,511.68

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Solution

The fourth proportional to 10,211.52, 14,097.60 and 9,511.68 is: 13,131.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,211.52 : 14,097.60 = 9,511.68 : x
  2. Step 2: Convert to fraction form
    10,211.52/14,097.60 = 9,511.68/x
  3. Step 3: Cross multiply
    10,211.52x = 14,097.60 × 9,511.68
  4. Step 4: Simplify right side
    10,211.52x = 134,091,859.97
  5. Step 5: Solve for x
    x = 134,091,859.97/10,211.52
  6. Step 6: Final answer
    x = 13,131.43

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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.