Home / 19,178.35-28,769.56-5,851.31

Finding the Fourth Proportional to 19,178.35, 28,769.56 and 5,851.31

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Solution

The fourth proportional to 19,178.35, 28,769.56 and 5,851.31 is: 8,777.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,178.35 : 28,769.56 = 5,851.31 : x
  2. Step 2: Convert to fraction form
    19,178.35/28,769.56 = 5,851.31/x
  3. Step 3: Cross multiply
    19,178.35x = 28,769.56 × 5,851.31
  4. Step 4: Simplify right side
    19,178.35x = 168,339,455.65
  5. Step 5: Solve for x
    x = 168,339,455.65/19,178.35
  6. Step 6: Final answer
    x = 8,777.58

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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.