Home / 25,665.03-38,498.90-8,136.23

Finding the Fourth Proportional to 25,665.03, 38,498.90 and 8,136.23

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Solution

The fourth proportional to 25,665.03, 38,498.90 and 8,136.23 is: 12,204.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,665.03 : 38,498.90 = 8,136.23 : x
  2. Step 2: Convert to fraction form
    25,665.03/38,498.90 = 8,136.23/x
  3. Step 3: Cross multiply
    25,665.03x = 38,498.90 × 8,136.23
  4. Step 4: Simplify right side
    25,665.03x = 313,235,671.97
  5. Step 5: Solve for x
    x = 313,235,671.97/25,665.03
  6. Step 6: Final answer
    x = 12,204.77

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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.