Home / 12,573.06-17,343.09-7,856.43

Finding the Fourth Proportional to 12,573.06, 17,343.09 and 7,856.43

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Solution

The fourth proportional to 12,573.06, 17,343.09 and 7,856.43 is: 10,837.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,573.06 : 17,343.09 = 7,856.43 : x
  2. Step 2: Convert to fraction form
    12,573.06/17,343.09 = 7,856.43/x
  3. Step 3: Cross multiply
    12,573.06x = 17,343.09 × 7,856.43
  4. Step 4: Simplify right side
    12,573.06x = 136,254,772.57
  5. Step 5: Solve for x
    x = 136,254,772.57/12,573.06
  6. Step 6: Final answer
    x = 10,837.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.