Home / 15,520.62-23,272.11-14,198.16

Finding the Fourth Proportional to 15,520.62, 23,272.11 and 14,198.16

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Solution

The fourth proportional to 15,520.62, 23,272.11 and 14,198.16 is: 21,289.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,520.62 : 23,272.11 = 14,198.16 : x
  2. Step 2: Convert to fraction form
    15,520.62/23,272.11 = 14,198.16/x
  3. Step 3: Cross multiply
    15,520.62x = 23,272.11 × 14,198.16
  4. Step 4: Simplify right side
    15,520.62x = 330,421,141.32
  5. Step 5: Solve for x
    x = 330,421,141.32/15,520.62
  6. Step 6: Final answer
    x = 21,289.17

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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.