Home / 20,185.72-30,283.19-6,147.74

Finding the Fourth Proportional to 20,185.72, 30,283.19 and 6,147.74

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Solution

The fourth proportional to 20,185.72, 30,283.19 and 6,147.74 is: 9,223.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,185.72 : 30,283.19 = 6,147.74 : x
  2. Step 2: Convert to fraction form
    20,185.72/30,283.19 = 6,147.74/x
  3. Step 3: Cross multiply
    20,185.72x = 30,283.19 × 6,147.74
  4. Step 4: Simplify right side
    20,185.72x = 186,173,156.01
  5. Step 5: Solve for x
    x = 186,173,156.01/20,185.72
  6. Step 6: Final answer
    x = 9,223.01

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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.