Home / 20,477.52-30,716.26-6,437.48

Finding the Fourth Proportional to 20,477.52, 30,716.26 and 6,437.48

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Solution

The fourth proportional to 20,477.52, 30,716.26 and 6,437.48 is: 9,656.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,477.52 : 30,716.26 = 6,437.48 : x
  2. Step 2: Convert to fraction form
    20,477.52/30,716.26 = 6,437.48/x
  3. Step 3: Cross multiply
    20,477.52x = 30,716.26 × 6,437.48
  4. Step 4: Simplify right side
    20,477.52x = 197,735,309.42
  5. Step 5: Solve for x
    x = 197,735,309.42/20,477.52
  6. Step 6: Final answer
    x = 9,656.21

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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.