Home / 17,531.06-26,298.75-7,141.46

Finding the Fourth Proportional to 17,531.06, 26,298.75 and 7,141.46

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Solution

The fourth proportional to 17,531.06, 26,298.75 and 7,141.46 is: 10,713.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,531.06 : 26,298.75 = 7,141.46 : x
  2. Step 2: Convert to fraction form
    17,531.06/26,298.75 = 7,141.46/x
  3. Step 3: Cross multiply
    17,531.06x = 26,298.75 × 7,141.46
  4. Step 4: Simplify right side
    17,531.06x = 187,811,471.18
  5. Step 5: Solve for x
    x = 187,811,471.18/17,531.06
  6. Step 6: Final answer
    x = 10,713.07

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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.