Home / 19,919.24-29,883.99-5,878.70

Finding the Fourth Proportional to 19,919.24, 29,883.99 and 5,878.70

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Solution

The fourth proportional to 19,919.24, 29,883.99 and 5,878.70 is: 8,819.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,919.24 : 29,883.99 = 5,878.70 : x
  2. Step 2: Convert to fraction form
    19,919.24/29,883.99 = 5,878.70/x
  3. Step 3: Cross multiply
    19,919.24x = 29,883.99 × 5,878.70
  4. Step 4: Simplify right side
    19,919.24x = 175,679,012.01
  5. Step 5: Solve for x
    x = 175,679,012.01/19,919.24
  6. Step 6: Final answer
    x = 8,819.56

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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.