Home / 12,603.18-18,880.17-9,265.27

Finding the Fourth Proportional to 12,603.18, 18,880.17 and 9,265.27

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Solution

The fourth proportional to 12,603.18, 18,880.17 and 9,265.27 is: 13,879.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,603.18 : 18,880.17 = 9,265.27 : x
  2. Step 2: Convert to fraction form
    12,603.18/18,880.17 = 9,265.27/x
  3. Step 3: Cross multiply
    12,603.18x = 18,880.17 × 9,265.27
  4. Step 4: Simplify right side
    12,603.18x = 174,929,872.70
  5. Step 5: Solve for x
    x = 174,929,872.70/12,603.18
  6. Step 6: Final answer
    x = 13,879.82

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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.