Home / 9,626.40-14,401.20-8,704.80

Finding the Fourth Proportional to 9,626.40, 14,401.20 and 8,704.80

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Solution

The fourth proportional to 9,626.40, 14,401.20 and 8,704.80 is: 13,022.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,626.40 : 14,401.20 = 8,704.80 : x
  2. Step 2: Convert to fraction form
    9,626.40/14,401.20 = 8,704.80/x
  3. Step 3: Cross multiply
    9,626.40x = 14,401.20 × 8,704.80
  4. Step 4: Simplify right side
    9,626.40x = 125,359,565.76
  5. Step 5: Solve for x
    x = 125,359,565.76/9,626.40
  6. Step 6: Final answer
    x = 13,022.48

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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.