Home / 20,356.37-30,548.97-9,264.48

Finding the Fourth Proportional to 20,356.37, 30,548.97 and 9,264.48

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Solution

The fourth proportional to 20,356.37, 30,548.97 and 9,264.48 is: 13,903.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,356.37 : 30,548.97 = 9,264.48 : x
  2. Step 2: Convert to fraction form
    20,356.37/30,548.97 = 9,264.48/x
  3. Step 3: Cross multiply
    20,356.37x = 30,548.97 × 9,264.48
  4. Step 4: Simplify right side
    20,356.37x = 283,020,321.59
  5. Step 5: Solve for x
    x = 283,020,321.59/20,356.37
  6. Step 6: Final answer
    x = 13,903.28

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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.