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Finding the Fourth Proportional to 15,880.83, 23,819.03 and 11,122.57

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Solution

The fourth proportional to 15,880.83, 23,819.03 and 11,122.57 is: 16,682.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,880.83 : 23,819.03 = 11,122.57 : x
  2. Step 2: Convert to fraction form
    15,880.83/23,819.03 = 11,122.57/x
  3. Step 3: Cross multiply
    15,880.83x = 23,819.03 × 11,122.57
  4. Step 4: Simplify right side
    15,880.83x = 264,928,828.51
  5. Step 5: Solve for x
    x = 264,928,828.51/15,880.83
  6. Step 6: Final answer
    x = 16,682.31

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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.