Home / 20,353.31-30,534.35-6,313.06

Finding the Fourth Proportional to 20,353.31, 30,534.35 and 6,313.06

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Solution

The fourth proportional to 20,353.31, 30,534.35 and 6,313.06 is: 9,470.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,353.31 : 30,534.35 = 6,313.06 : x
  2. Step 2: Convert to fraction form
    20,353.31/30,534.35 = 6,313.06/x
  3. Step 3: Cross multiply
    20,353.31x = 30,534.35 × 6,313.06
  4. Step 4: Simplify right side
    20,353.31x = 192,765,015.16
  5. Step 5: Solve for x
    x = 192,765,015.16/20,353.31
  6. Step 6: Final answer
    x = 9,470.94

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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.