Home / 18,317.57-27,433.63-13,374.95

Finding the Fourth Proportional to 18,317.57, 27,433.63 and 13,374.95

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Solution

The fourth proportional to 18,317.57, 27,433.63 and 13,374.95 is: 20,031.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,317.57 : 27,433.63 = 13,374.95 : x
  2. Step 2: Convert to fraction form
    18,317.57/27,433.63 = 13,374.95/x
  3. Step 3: Cross multiply
    18,317.57x = 27,433.63 × 13,374.95
  4. Step 4: Simplify right side
    18,317.57x = 366,923,362.69
  5. Step 5: Solve for x
    x = 366,923,362.69/18,317.57
  6. Step 6: Final answer
    x = 20,031.22

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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.