Home / 9,118.08-13,665.60-7,876.48

Finding the Fourth Proportional to 9,118.08, 13,665.60 and 7,876.48

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Solution

The fourth proportional to 9,118.08, 13,665.60 and 7,876.48 is: 11,804.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,118.08 : 13,665.60 = 7,876.48 : x
  2. Step 2: Convert to fraction form
    9,118.08/13,665.60 = 7,876.48/x
  3. Step 3: Cross multiply
    9,118.08x = 13,665.60 × 7,876.48
  4. Step 4: Simplify right side
    9,118.08x = 107,636,825.09
  5. Step 5: Solve for x
    x = 107,636,825.09/9,118.08
  6. Step 6: Final answer
    x = 11,804.77

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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.