Home / 15,620.58-23,455.17-12,670.56

Finding the Fourth Proportional to 15,620.58, 23,455.17 and 12,670.56

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Solution

The fourth proportional to 15,620.58, 23,455.17 and 12,670.56 is: 19,025.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,620.58 : 23,455.17 = 12,670.56 : x
  2. Step 2: Convert to fraction form
    15,620.58/23,455.17 = 12,670.56/x
  3. Step 3: Cross multiply
    15,620.58x = 23,455.17 × 12,670.56
  4. Step 4: Simplify right side
    15,620.58x = 297,190,138.80
  5. Step 5: Solve for x
    x = 297,190,138.80/15,620.58
  6. Step 6: Final answer
    x = 19,025.55

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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.