Home / 9,831.60-14,747.40-8,300.70

Finding the Fourth Proportional to 9,831.60, 14,747.40 and 8,300.70

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Solution

The fourth proportional to 9,831.60, 14,747.40 and 8,300.70 is: 12,451.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,831.60 : 14,747.40 = 8,300.70 : x
  2. Step 2: Convert to fraction form
    9,831.60/14,747.40 = 8,300.70/x
  3. Step 3: Cross multiply
    9,831.60x = 14,747.40 × 8,300.70
  4. Step 4: Simplify right side
    9,831.60x = 122,413,743.18
  5. Step 5: Solve for x
    x = 122,413,743.18/9,831.60
  6. Step 6: Final answer
    x = 12,451.05

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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.