Home / 18,864.86-28,297.28-4,824.92

Finding the Fourth Proportional to 18,864.86, 28,297.28 and 4,824.92

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Solution

The fourth proportional to 18,864.86, 28,297.28 and 4,824.92 is: 7,237.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864.86 : 28,297.28 = 4,824.92 : x
  2. Step 2: Convert to fraction form
    18,864.86/28,297.28 = 4,824.92/x
  3. Step 3: Cross multiply
    18,864.86x = 28,297.28 × 4,824.92
  4. Step 4: Simplify right side
    18,864.86x = 136,531,946.61
  5. Step 5: Solve for x
    x = 136,531,946.61/18,864.86
  6. Step 6: Final answer
    x = 7,237.37

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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.