Home / 13,293.51-19,944.80-8,357.37

Finding the Fourth Proportional to 13,293.51, 19,944.80 and 8,357.37

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Solution

The fourth proportional to 13,293.51, 19,944.80 and 8,357.37 is: 12,538.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293.51 : 19,944.80 = 8,357.37 : x
  2. Step 2: Convert to fraction form
    13,293.51/19,944.80 = 8,357.37/x
  3. Step 3: Cross multiply
    13,293.51x = 19,944.80 × 8,357.37
  4. Step 4: Simplify right side
    13,293.51x = 166,686,073.18
  5. Step 5: Solve for x
    x = 166,686,073.18/13,293.51
  6. Step 6: Final answer
    x = 12,538.91

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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.