Home / 19,370.20-29,040.90-8,267.80

Finding the Fourth Proportional to 19,370.20, 29,040.90 and 8,267.80

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Solution

The fourth proportional to 19,370.20, 29,040.90 and 8,267.80 is: 12,395.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,370.20 : 29,040.90 = 8,267.80 : x
  2. Step 2: Convert to fraction form
    19,370.20/29,040.90 = 8,267.80/x
  3. Step 3: Cross multiply
    19,370.20x = 29,040.90 × 8,267.80
  4. Step 4: Simplify right side
    19,370.20x = 240,104,353.02
  5. Step 5: Solve for x
    x = 240,104,353.02/19,370.20
  6. Step 6: Final answer
    x = 12,395.55

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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.