Home / 15,335.46-21,163.14-9,284.76

Finding the Fourth Proportional to 15,335.46, 21,163.14 and 9,284.76

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Solution

The fourth proportional to 15,335.46, 21,163.14 and 9,284.76 is: 12,813.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,335.46 : 21,163.14 = 9,284.76 : x
  2. Step 2: Convert to fraction form
    15,335.46/21,163.14 = 9,284.76/x
  3. Step 3: Cross multiply
    15,335.46x = 21,163.14 × 9,284.76
  4. Step 4: Simplify right side
    15,335.46x = 196,494,675.75
  5. Step 5: Solve for x
    x = 196,494,675.75/15,335.46
  6. Step 6: Final answer
    x = 12,813.09

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Double scale
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Similar ratio
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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.