Home / 19,307.10-28,958.22-6,160.80

Finding the Fourth Proportional to 19,307.10, 28,958.22 and 6,160.80

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Solution

The fourth proportional to 19,307.10, 28,958.22 and 6,160.80 is: 9,240.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,307.10 : 28,958.22 = 6,160.80 : x
  2. Step 2: Convert to fraction form
    19,307.10/28,958.22 = 6,160.80/x
  3. Step 3: Cross multiply
    19,307.10x = 28,958.22 × 6,160.80
  4. Step 4: Simplify right side
    19,307.10x = 178,405,801.78
  5. Step 5: Solve for x
    x = 178,405,801.78/19,307.10
  6. Step 6: Final answer
    x = 9,240.42

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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.