Home / 12,153.03-18,218.61-4,360.02

Finding the Fourth Proportional to 12,153.03, 18,218.61 and 4,360.02

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Solution

The fourth proportional to 12,153.03, 18,218.61 and 4,360.02 is: 6,536.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,153.03 : 18,218.61 = 4,360.02 : x
  2. Step 2: Convert to fraction form
    12,153.03/18,218.61 = 4,360.02/x
  3. Step 3: Cross multiply
    12,153.03x = 18,218.61 × 4,360.02
  4. Step 4: Simplify right side
    12,153.03x = 79,433,503.97
  5. Step 5: Solve for x
    x = 79,433,503.97/12,153.03
  6. Step 6: Final answer
    x = 6,536.11

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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.