Home / 19,429.10-29,136.51-6,945.76

Finding the Fourth Proportional to 19,429.10, 29,136.51 and 6,945.76

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Solution

The fourth proportional to 19,429.10, 29,136.51 and 6,945.76 is: 10,416.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,429.10 : 29,136.51 = 6,945.76 : x
  2. Step 2: Convert to fraction form
    19,429.10/29,136.51 = 6,945.76/x
  3. Step 3: Cross multiply
    19,429.10x = 29,136.51 × 6,945.76
  4. Step 4: Simplify right side
    19,429.10x = 202,375,205.70
  5. Step 5: Solve for x
    x = 202,375,205.70/19,429.10
  6. Step 6: Final answer
    x = 10,416.09

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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.