Home / 13,506.06-18,630.10-8,968.95

Finding the Fourth Proportional to 13,506.06, 18,630.10 and 8,968.95

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Solution

The fourth proportional to 13,506.06, 18,630.10 and 8,968.95 is: 12,371.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,506.06 : 18,630.10 = 8,968.95 : x
  2. Step 2: Convert to fraction form
    13,506.06/18,630.10 = 8,968.95/x
  3. Step 3: Cross multiply
    13,506.06x = 18,630.10 × 8,968.95
  4. Step 4: Simplify right side
    13,506.06x = 167,092,435.40
  5. Step 5: Solve for x
    x = 167,092,435.40/13,506.06
  6. Step 6: Final answer
    x = 12,371.66

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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.