Home / 15,675.84-21,633.62-10,361.43

Finding the Fourth Proportional to 15,675.84, 21,633.62 and 10,361.43

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Solution

The fourth proportional to 15,675.84, 21,633.62 and 10,361.43 is: 14,299.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,675.84 : 21,633.62 = 10,361.43 : x
  2. Step 2: Convert to fraction form
    15,675.84/21,633.62 = 10,361.43/x
  3. Step 3: Cross multiply
    15,675.84x = 21,633.62 × 10,361.43
  4. Step 4: Simplify right side
    15,675.84x = 224,155,187.47
  5. Step 5: Solve for x
    x = 224,155,187.47/15,675.84
  6. Step 6: Final answer
    x = 14,299.41

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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.