Home / 14,778.75-22,174.61-8,622.75

Finding the Fourth Proportional to 14,778.75, 22,174.61 and 8,622.75

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Solution

The fourth proportional to 14,778.75, 22,174.61 and 8,622.75 is: 12,937.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,778.75 : 22,174.61 = 8,622.75 : x
  2. Step 2: Convert to fraction form
    14,778.75/22,174.61 = 8,622.75/x
  3. Step 3: Cross multiply
    14,778.75x = 22,174.61 × 8,622.75
  4. Step 4: Simplify right side
    14,778.75x = 191,206,075.26
  5. Step 5: Solve for x
    x = 191,206,075.26/14,778.75
  6. Step 6: Final answer
    x = 12,937.91

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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.