Home / 9,986.10-14,979.15-4,433.55

Finding the Fourth Proportional to 9,986.10, 14,979.15 and 4,433.55

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Solution

The fourth proportional to 9,986.10, 14,979.15 and 4,433.55 is: 6,650.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,986.10 : 14,979.15 = 4,433.55 : x
  2. Step 2: Convert to fraction form
    9,986.10/14,979.15 = 4,433.55/x
  3. Step 3: Cross multiply
    9,986.10x = 14,979.15 × 4,433.55
  4. Step 4: Simplify right side
    9,986.10x = 66,410,810.48
  5. Step 5: Solve for x
    x = 66,410,810.48/9,986.10
  6. Step 6: Final answer
    x = 6,650.33

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Double scale
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Similar ratio
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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.