Home / 19,348.20-29,027.70-9,487.80

Finding the Fourth Proportional to 19,348.20, 29,027.70 and 9,487.80

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Solution

The fourth proportional to 19,348.20, 29,027.70 and 9,487.80 is: 14,234.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,348.20 : 29,027.70 = 9,487.80 : x
  2. Step 2: Convert to fraction form
    19,348.20/29,027.70 = 9,487.80/x
  3. Step 3: Cross multiply
    19,348.20x = 29,027.70 × 9,487.80
  4. Step 4: Simplify right side
    19,348.20x = 275,409,012.06
  5. Step 5: Solve for x
    x = 275,409,012.06/19,348.20
  6. Step 6: Final answer
    x = 14,234.35

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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.