Home / 19,578.67-29,380.35-10,235.53

Finding the Fourth Proportional to 19,578.67, 29,380.35 and 10,235.53

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Solution

The fourth proportional to 19,578.67, 29,380.35 and 10,235.53 is: 15,359.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,578.67 : 29,380.35 = 10,235.53 : x
  2. Step 2: Convert to fraction form
    19,578.67/29,380.35 = 10,235.53/x
  3. Step 3: Cross multiply
    19,578.67x = 29,380.35 × 10,235.53
  4. Step 4: Simplify right side
    19,578.67x = 300,723,453.84
  5. Step 5: Solve for x
    x = 300,723,453.84/19,578.67
  6. Step 6: Final answer
    x = 15,359.75

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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.