Home / 19,624.48-29,420.12-8,522.78

Finding the Fourth Proportional to 19,624.48, 29,420.12 and 8,522.78

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Solution

The fourth proportional to 19,624.48, 29,420.12 and 8,522.78 is: 12,776.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,624.48 : 29,420.12 = 8,522.78 : x
  2. Step 2: Convert to fraction form
    19,624.48/29,420.12 = 8,522.78/x
  3. Step 3: Cross multiply
    19,624.48x = 29,420.12 × 8,522.78
  4. Step 4: Simplify right side
    19,624.48x = 250,741,210.33
  5. Step 5: Solve for x
    x = 250,741,210.33/19,624.48
  6. Step 6: Final answer
    x = 12,776.96

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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.