Home / 15,880.60-23,874.90-12,979.96

Finding the Fourth Proportional to 15,880.60, 23,874.90 and 12,979.96

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Solution

The fourth proportional to 15,880.60, 23,874.90 and 12,979.96 is: 19,514.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,880.60 : 23,874.90 = 12,979.96 : x
  2. Step 2: Convert to fraction form
    15,880.60/23,874.90 = 12,979.96/x
  3. Step 3: Cross multiply
    15,880.60x = 23,874.90 × 12,979.96
  4. Step 4: Simplify right side
    15,880.60x = 309,895,247.00
  5. Step 5: Solve for x
    x = 309,895,247.00/15,880.60
  6. Step 6: Final answer
    x = 19,514.08

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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.