Home / 10,307.97-15,463.09-3,286.35

Finding the Fourth Proportional to 10,307.97, 15,463.09 and 3,286.35

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Solution

The fourth proportional to 10,307.97, 15,463.09 and 3,286.35 is: 4,929.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,307.97 : 15,463.09 = 3,286.35 : x
  2. Step 2: Convert to fraction form
    10,307.97/15,463.09 = 3,286.35/x
  3. Step 3: Cross multiply
    10,307.97x = 15,463.09 × 3,286.35
  4. Step 4: Simplify right side
    10,307.97x = 50,817,125.82
  5. Step 5: Solve for x
    x = 50,817,125.82/10,307.97
  6. Step 6: Final answer
    x = 4,929.89

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1.5x scale

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.