Home / 15,239.64-22,861.38-5,879.40

Finding the Fourth Proportional to 15,239.64, 22,861.38 and 5,879.40

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Solution

The fourth proportional to 15,239.64, 22,861.38 and 5,879.40 is: 8,819.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,239.64 : 22,861.38 = 5,879.40 : x
  2. Step 2: Convert to fraction form
    15,239.64/22,861.38 = 5,879.40/x
  3. Step 3: Cross multiply
    15,239.64x = 22,861.38 × 5,879.40
  4. Step 4: Simplify right side
    15,239.64x = 134,411,197.57
  5. Step 5: Solve for x
    x = 134,411,197.57/15,239.64
  6. Step 6: Final answer
    x = 8,819.84

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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.