Home / 10,307.98-15,463.80-3,289.53

Finding the Fourth Proportional to 10,307.98, 15,463.80 and 3,289.53

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Solution

The fourth proportional to 10,307.98, 15,463.80 and 3,289.53 is: 4,934.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,307.98 : 15,463.80 = 3,289.53 : x
  2. Step 2: Convert to fraction form
    10,307.98/15,463.80 = 3,289.53/x
  3. Step 3: Cross multiply
    10,307.98x = 15,463.80 × 3,289.53
  4. Step 4: Simplify right side
    10,307.98x = 50,868,634.01
  5. Step 5: Solve for x
    x = 50,868,634.01/10,307.98
  6. Step 6: Final answer
    x = 4,934.88

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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.