Home / 12,506.34-17,258.02-6,839.95

Finding the Fourth Proportional to 12,506.34, 17,258.02 and 6,839.95

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Solution

The fourth proportional to 12,506.34, 17,258.02 and 6,839.95 is: 9,438.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,506.34 : 17,258.02 = 6,839.95 : x
  2. Step 2: Convert to fraction form
    12,506.34/17,258.02 = 6,839.95/x
  3. Step 3: Cross multiply
    12,506.34x = 17,258.02 × 6,839.95
  4. Step 4: Simplify right side
    12,506.34x = 118,043,993.90
  5. Step 5: Solve for x
    x = 118,043,993.90/12,506.34
  6. Step 6: Final answer
    x = 9,438.73

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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.