Home / 19,406.60-29,084.70-8,996.20

Finding the Fourth Proportional to 19,406.60, 29,084.70 and 8,996.20

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Solution

The fourth proportional to 19,406.60, 29,084.70 and 8,996.20 is: 13,482.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,406.60 : 29,084.70 = 8,996.20 : x
  2. Step 2: Convert to fraction form
    19,406.60/29,084.70 = 8,996.20/x
  3. Step 3: Cross multiply
    19,406.60x = 29,084.70 × 8,996.20
  4. Step 4: Simplify right side
    19,406.60x = 261,651,778.14
  5. Step 5: Solve for x
    x = 261,651,778.14/19,406.60
  6. Step 6: Final answer
    x = 13,482.62

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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.