Home / 20,312.33-30,469.28-6,271.11

Finding the Fourth Proportional to 20,312.33, 30,469.28 and 6,271.11

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Solution

The fourth proportional to 20,312.33, 30,469.28 and 6,271.11 is: 9,406.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,312.33 : 30,469.28 = 6,271.11 : x
  2. Step 2: Convert to fraction form
    20,312.33/30,469.28 = 6,271.11/x
  3. Step 3: Cross multiply
    20,312.33x = 30,469.28 × 6,271.11
  4. Step 4: Simplify right side
    20,312.33x = 191,076,175.15
  5. Step 5: Solve for x
    x = 191,076,175.15/20,312.33
  6. Step 6: Final answer
    x = 9,406.91

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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.