Home / 10,228.42-15,343.98-3,655.36

Finding the Fourth Proportional to 10,228.42, 15,343.98 and 3,655.36

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Solution

The fourth proportional to 10,228.42, 15,343.98 and 3,655.36 is: 5,483.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,228.42 : 15,343.98 = 3,655.36 : x
  2. Step 2: Convert to fraction form
    10,228.42/15,343.98 = 3,655.36/x
  3. Step 3: Cross multiply
    10,228.42x = 15,343.98 × 3,655.36
  4. Step 4: Simplify right side
    10,228.42x = 56,087,770.73
  5. Step 5: Solve for x
    x = 56,087,770.73/10,228.42
  6. Step 6: Final answer
    x = 5,483.52

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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.