Home / 12,301.34-18,440.64-4,904

Finding the Fourth Proportional to 12,301.34, 18,440.64 and 4,904

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Solution

The fourth proportional to 12,301.34, 18,440.64 and 4,904 is: 7,351.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,301.34 : 18,440.64 = 4,904 : x
  2. Step 2: Convert to fraction form
    12,301.34/18,440.64 = 4,904/x
  3. Step 3: Cross multiply
    12,301.34x = 18,440.64 × 4,904
  4. Step 4: Simplify right side
    12,301.34x = 90,432,898.56
  5. Step 5: Solve for x
    x = 90,432,898.56/12,301.34
  6. Step 6: Final answer
    x = 7,351.47

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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.