Home / 23,719.91-35,586.34-8,138.75

Finding the Fourth Proportional to 23,719.91, 35,586.34 and 8,138.75

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Solution

The fourth proportional to 23,719.91, 35,586.34 and 8,138.75 is: 12,210.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,719.91 : 35,586.34 = 8,138.75 : x
  2. Step 2: Convert to fraction form
    23,719.91/35,586.34 = 8,138.75/x
  3. Step 3: Cross multiply
    23,719.91x = 35,586.34 × 8,138.75
  4. Step 4: Simplify right side
    23,719.91x = 289,628,126.40
  5. Step 5: Solve for x
    x = 289,628,126.40/23,719.91
  6. Step 6: Final answer
    x = 12,210.34

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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.