Home / 19,104.09-28,641.27-9,103.65

Finding the Fourth Proportional to 19,104.09, 28,641.27 and 9,103.65

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Solution

The fourth proportional to 19,104.09, 28,641.27 and 9,103.65 is: 13,648.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,104.09 : 28,641.27 = 9,103.65 : x
  2. Step 2: Convert to fraction form
    19,104.09/28,641.27 = 9,103.65/x
  3. Step 3: Cross multiply
    19,104.09x = 28,641.27 × 9,103.65
  4. Step 4: Simplify right side
    19,104.09x = 260,740,097.64
  5. Step 5: Solve for x
    x = 260,740,097.64/19,104.09
  6. Step 6: Final answer
    x = 13,648.39

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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.