Home / 20,237.91-30,360.12-8,551.23

Finding the Fourth Proportional to 20,237.91, 30,360.12 and 8,551.23

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Solution

The fourth proportional to 20,237.91, 30,360.12 and 8,551.23 is: 12,828.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,237.91 : 30,360.12 = 8,551.23 : x
  2. Step 2: Convert to fraction form
    20,237.91/30,360.12 = 8,551.23/x
  3. Step 3: Cross multiply
    20,237.91x = 30,360.12 × 8,551.23
  4. Step 4: Simplify right side
    20,237.91x = 259,616,368.95
  5. Step 5: Solve for x
    x = 259,616,368.95/20,237.91
  6. Step 6: Final answer
    x = 12,828.22

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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.