Home / 10,361.68-14,299.14-5,645.98

Finding the Fourth Proportional to 10,361.68, 14,299.14 and 5,645.98

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Solution

The fourth proportional to 10,361.68, 14,299.14 and 5,645.98 is: 7,791.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361.68 : 14,299.14 = 5,645.98 : x
  2. Step 2: Convert to fraction form
    10,361.68/14,299.14 = 5,645.98/x
  3. Step 3: Cross multiply
    10,361.68x = 14,299.14 × 5,645.98
  4. Step 4: Simplify right side
    10,361.68x = 80,732,658.46
  5. Step 5: Solve for x
    x = 80,732,658.46/10,361.68
  6. Step 6: Final answer
    x = 7,791.46

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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.