Home / 18,437.75-27,617.29-13,496.34

Finding the Fourth Proportional to 18,437.75, 27,617.29 and 13,496.34

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Solution

The fourth proportional to 18,437.75, 27,617.29 and 13,496.34 is: 20,215.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,437.75 : 27,617.29 = 13,496.34 : x
  2. Step 2: Convert to fraction form
    18,437.75/27,617.29 = 13,496.34/x
  3. Step 3: Cross multiply
    18,437.75x = 27,617.29 × 13,496.34
  4. Step 4: Simplify right side
    18,437.75x = 372,732,405.54
  5. Step 5: Solve for x
    x = 372,732,405.54/18,437.75
  6. Step 6: Final answer
    x = 20,215.72

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1.5x scale

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.