Home / 19,479.72-29,226.87-10,113.90

Finding the Fourth Proportional to 19,479.72, 29,226.87 and 10,113.90

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Solution

The fourth proportional to 19,479.72, 29,226.87 and 10,113.90 is: 15,174.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,479.72 : 29,226.87 = 10,113.90 : x
  2. Step 2: Convert to fraction form
    19,479.72/29,226.87 = 10,113.90/x
  3. Step 3: Cross multiply
    19,479.72x = 29,226.87 × 10,113.90
  4. Step 4: Simplify right side
    19,479.72x = 295,597,640.49
  5. Step 5: Solve for x
    x = 295,597,640.49/19,479.72
  6. Step 6: Final answer
    x = 15,174.63

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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.