Home / 19,176.09-28,751.45-9,182.31

Finding the Fourth Proportional to 19,176.09, 28,751.45 and 9,182.31

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Solution

The fourth proportional to 19,176.09, 28,751.45 and 9,182.31 is: 13,767.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,176.09 : 28,751.45 = 9,182.31 : x
  2. Step 2: Convert to fraction form
    19,176.09/28,751.45 = 9,182.31/x
  3. Step 3: Cross multiply
    19,176.09x = 28,751.45 × 9,182.31
  4. Step 4: Simplify right side
    19,176.09x = 264,004,680.94
  5. Step 5: Solve for x
    x = 264,004,680.94/19,176.09
  6. Step 6: Final answer
    x = 13,767.39

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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.