Home / 20,295.09-30,445.53-6,256.30

Finding the Fourth Proportional to 20,295.09, 30,445.53 and 6,256.30

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Solution

The fourth proportional to 20,295.09, 30,445.53 and 6,256.30 is: 9,385.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,295.09 : 30,445.53 = 6,256.30 : x
  2. Step 2: Convert to fraction form
    20,295.09/30,445.53 = 6,256.30/x
  3. Step 3: Cross multiply
    20,295.09x = 30,445.53 × 6,256.30
  4. Step 4: Simplify right side
    20,295.09x = 190,476,369.34
  5. Step 5: Solve for x
    x = 190,476,369.34/20,295.09
  6. Step 6: Final answer
    x = 9,385.34

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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.