Home / 12,401.04-18,601.70-3,636.12

Finding the Fourth Proportional to 12,401.04, 18,601.70 and 3,636.12

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Solution

The fourth proportional to 12,401.04, 18,601.70 and 3,636.12 is: 5,454.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,401.04 : 18,601.70 = 3,636.12 : x
  2. Step 2: Convert to fraction form
    12,401.04/18,601.70 = 3,636.12/x
  3. Step 3: Cross multiply
    12,401.04x = 18,601.70 × 3,636.12
  4. Step 4: Simplify right side
    12,401.04x = 67,638,013.40
  5. Step 5: Solve for x
    x = 67,638,013.40/12,401.04
  6. Step 6: Final answer
    x = 5,454.22

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1.5x scale

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.