Home / 9,898.20-14,831.10-8,245.80

Finding the Fourth Proportional to 9,898.20, 14,831.10 and 8,245.80

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Solution

The fourth proportional to 9,898.20, 14,831.10 and 8,245.80 is: 12,355.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,898.20 : 14,831.10 = 8,245.80 : x
  2. Step 2: Convert to fraction form
    9,898.20/14,831.10 = 8,245.80/x
  3. Step 3: Cross multiply
    9,898.20x = 14,831.10 × 8,245.80
  4. Step 4: Simplify right side
    9,898.20x = 122,294,284.38
  5. Step 5: Solve for x
    x = 122,294,284.38/9,898.20
  6. Step 6: Final answer
    x = 12,355.20

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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.