Home / 17,830.34-26,729.13-6,140.78

Finding the Fourth Proportional to 17,830.34, 26,729.13 and 6,140.78

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Solution

The fourth proportional to 17,830.34, 26,729.13 and 6,140.78 is: 9,205.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,830.34 : 26,729.13 = 6,140.78 : x
  2. Step 2: Convert to fraction form
    17,830.34/26,729.13 = 6,140.78/x
  3. Step 3: Cross multiply
    17,830.34x = 26,729.13 × 6,140.78
  4. Step 4: Simplify right side
    17,830.34x = 164,137,706.92
  5. Step 5: Solve for x
    x = 164,137,706.92/17,830.34
  6. Step 6: Final answer
    x = 9,205.53

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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.