Home / 17,923.20-26,898.69-12,415.14

Finding the Fourth Proportional to 17,923.20, 26,898.69 and 12,415.14

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Solution

The fourth proportional to 17,923.20, 26,898.69 and 12,415.14 is: 18,632.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,923.20 : 26,898.69 = 12,415.14 : x
  2. Step 2: Convert to fraction form
    17,923.20/26,898.69 = 12,415.14/x
  3. Step 3: Cross multiply
    17,923.20x = 26,898.69 × 12,415.14
  4. Step 4: Simplify right side
    17,923.20x = 333,951,002.17
  5. Step 5: Solve for x
    x = 333,951,002.17/17,923.20
  6. Step 6: Final answer
    x = 18,632.33

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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.