Home / 20,256.15-30,384.23-6,218.31

Finding the Fourth Proportional to 20,256.15, 30,384.23 and 6,218.31

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Solution

The fourth proportional to 20,256.15, 30,384.23 and 6,218.31 is: 9,327.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,256.15 : 30,384.23 = 6,218.31 : x
  2. Step 2: Convert to fraction form
    20,256.15/30,384.23 = 6,218.31/x
  3. Step 3: Cross multiply
    20,256.15x = 30,384.23 × 6,218.31
  4. Step 4: Simplify right side
    20,256.15x = 188,938,530.16
  5. Step 5: Solve for x
    x = 188,938,530.16/20,256.15
  6. Step 6: Final answer
    x = 9,327.47

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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.