Home / 14,306.80-21,431.40-9,094

Finding the Fourth Proportional to 14,306.80, 21,431.40 and 9,094

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Solution

The fourth proportional to 14,306.80, 21,431.40 and 9,094 is: 13,622.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,306.80 : 21,431.40 = 9,094 : x
  2. Step 2: Convert to fraction form
    14,306.80/21,431.40 = 9,094/x
  3. Step 3: Cross multiply
    14,306.80x = 21,431.40 × 9,094
  4. Step 4: Simplify right side
    14,306.80x = 194,897,151.60
  5. Step 5: Solve for x
    x = 194,897,151.60/14,306.80
  6. Step 6: Final answer
    x = 13,622.69

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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.