Home / 20,317.56-30,474.18-6,465.48

Finding the Fourth Proportional to 20,317.56, 30,474.18 and 6,465.48

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Solution

The fourth proportional to 20,317.56, 30,474.18 and 6,465.48 is: 9,697.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,317.56 : 30,474.18 = 6,465.48 : x
  2. Step 2: Convert to fraction form
    20,317.56/30,474.18 = 6,465.48/x
  3. Step 3: Cross multiply
    20,317.56x = 30,474.18 × 6,465.48
  4. Step 4: Simplify right side
    20,317.56x = 197,030,201.31
  5. Step 5: Solve for x
    x = 197,030,201.31/20,317.56
  6. Step 6: Final answer
    x = 9,697.53

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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.