Home / 10,805.80-14,907.60-6,616.48

Finding the Fourth Proportional to 10,805.80, 14,907.60 and 6,616.48

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Solution

The fourth proportional to 10,805.80, 14,907.60 and 6,616.48 is: 9,128.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,805.80 : 14,907.60 = 6,616.48 : x
  2. Step 2: Convert to fraction form
    10,805.80/14,907.60 = 6,616.48/x
  3. Step 3: Cross multiply
    10,805.80x = 14,907.60 × 6,616.48
  4. Step 4: Simplify right side
    10,805.80x = 98,635,837.25
  5. Step 5: Solve for x
    x = 98,635,837.25/10,805.80
  6. Step 6: Final answer
    x = 9,128.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.