Home / 15,542.46-23,320.58-8,145.16

Finding the Fourth Proportional to 15,542.46, 23,320.58 and 8,145.16

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Solution

The fourth proportional to 15,542.46, 23,320.58 and 8,145.16 is: 12,221.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,542.46 : 23,320.58 = 8,145.16 : x
  2. Step 2: Convert to fraction form
    15,542.46/23,320.58 = 8,145.16/x
  3. Step 3: Cross multiply
    15,542.46x = 23,320.58 × 8,145.16
  4. Step 4: Simplify right side
    15,542.46x = 189,949,756.37
  5. Step 5: Solve for x
    x = 189,949,756.37/15,542.46
  6. Step 6: Final answer
    x = 12,221.34

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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.