Home / 19,624.60-29,433.30-12,215.80

Finding the Fourth Proportional to 19,624.60, 29,433.30 and 12,215.80

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Solution

The fourth proportional to 19,624.60, 29,433.30 and 12,215.80 is: 18,321.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,624.60 : 29,433.30 = 12,215.80 : x
  2. Step 2: Convert to fraction form
    19,624.60/29,433.30 = 12,215.80/x
  3. Step 3: Cross multiply
    19,624.60x = 29,433.30 × 12,215.80
  4. Step 4: Simplify right side
    19,624.60x = 359,551,306.14
  5. Step 5: Solve for x
    x = 359,551,306.14/19,624.60
  6. Step 6: Final answer
    x = 18,321.46

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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.