Home / 13,366.83-18,446.00-7,398.37

Finding the Fourth Proportional to 13,366.83, 18,446.00 and 7,398.37

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Solution

The fourth proportional to 13,366.83, 18,446.00 and 7,398.37 is: 10,209.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366.83 : 18,446.00 = 7,398.37 : x
  2. Step 2: Convert to fraction form
    13,366.83/18,446.00 = 7,398.37/x
  3. Step 3: Cross multiply
    13,366.83x = 18,446.00 × 7,398.37
  4. Step 4: Simplify right side
    13,366.83x = 136,470,360.70
  5. Step 5: Solve for x
    x = 136,470,360.70/13,366.83
  6. Step 6: Final answer
    x = 10,209.63

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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.