Home / 20,170.71-30,256.06-6,130.85

Finding the Fourth Proportional to 20,170.71, 30,256.06 and 6,130.85

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Solution

The fourth proportional to 20,170.71, 30,256.06 and 6,130.85 is: 9,196.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,170.71 : 30,256.06 = 6,130.85 : x
  2. Step 2: Convert to fraction form
    20,170.71/30,256.06 = 6,130.85/x
  3. Step 3: Cross multiply
    20,170.71x = 30,256.06 × 6,130.85
  4. Step 4: Simplify right side
    20,170.71x = 185,495,365.45
  5. Step 5: Solve for x
    x = 185,495,365.45/20,170.71
  6. Step 6: Final answer
    x = 9,196.27

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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.