Home / 19,328.90-29,004.15-8,233.70

Finding the Fourth Proportional to 19,328.90, 29,004.15 and 8,233.70

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Solution

The fourth proportional to 19,328.90, 29,004.15 and 8,233.70 is: 12,355.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,328.90 : 29,004.15 = 8,233.70 : x
  2. Step 2: Convert to fraction form
    19,328.90/29,004.15 = 8,233.70/x
  3. Step 3: Cross multiply
    19,328.90x = 29,004.15 × 8,233.70
  4. Step 4: Simplify right side
    19,328.90x = 238,811,469.86
  5. Step 5: Solve for x
    x = 238,811,469.86/19,328.90
  6. Step 6: Final answer
    x = 12,355.15

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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.