Home / 9,223.20-13,834.80-8,603.55

Finding the Fourth Proportional to 9,223.20, 13,834.80 and 8,603.55

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Solution

The fourth proportional to 9,223.20, 13,834.80 and 8,603.55 is: 12,905.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,223.20 : 13,834.80 = 8,603.55 : x
  2. Step 2: Convert to fraction form
    9,223.20/13,834.80 = 8,603.55/x
  3. Step 3: Cross multiply
    9,223.20x = 13,834.80 × 8,603.55
  4. Step 4: Simplify right side
    9,223.20x = 119,028,393.54
  5. Step 5: Solve for x
    x = 119,028,393.54/9,223.20
  6. Step 6: Final answer
    x = 12,905.33

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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.