Home / 15,231.78-22,806.45-9,953.64

Finding the Fourth Proportional to 15,231.78, 22,806.45 and 9,953.64

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Solution

The fourth proportional to 15,231.78, 22,806.45 and 9,953.64 is: 14,903.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,231.78 : 22,806.45 = 9,953.64 : x
  2. Step 2: Convert to fraction form
    15,231.78/22,806.45 = 9,953.64/x
  3. Step 3: Cross multiply
    15,231.78x = 22,806.45 × 9,953.64
  4. Step 4: Simplify right side
    15,231.78x = 227,007,192.98
  5. Step 5: Solve for x
    x = 227,007,192.98/15,231.78
  6. Step 6: Final answer
    x = 14,903.52

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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.