Home / 9,887.36-14,831.69-3,313.60

Finding the Fourth Proportional to 9,887.36, 14,831.69 and 3,313.60

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Solution

The fourth proportional to 9,887.36, 14,831.69 and 3,313.60 is: 4,970.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,887.36 : 14,831.69 = 3,313.60 : x
  2. Step 2: Convert to fraction form
    9,887.36/14,831.69 = 3,313.60/x
  3. Step 3: Cross multiply
    9,887.36x = 14,831.69 × 3,313.60
  4. Step 4: Simplify right side
    9,887.36x = 49,146,296.27
  5. Step 5: Solve for x
    x = 49,146,296.27/9,887.36
  6. Step 6: Final answer
    x = 4,970.62

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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.