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Finding the Fourth Proportional to 17,332.41, 26,004.18 and 12,018

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Solution

The fourth proportional to 17,332.41, 26,004.18 and 12,018 is: 18,030.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,332.41 : 26,004.18 = 12,018 : x
  2. Step 2: Convert to fraction form
    17,332.41/26,004.18 = 12,018/x
  3. Step 3: Cross multiply
    17,332.41x = 26,004.18 × 12,018
  4. Step 4: Simplify right side
    17,332.41x = 312,518,235.24
  5. Step 5: Solve for x
    x = 312,518,235.24/17,332.41
  6. Step 6: Final answer
    x = 18,030.86

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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.