Home / 9,986.17-14,979.26-3,412.42

Finding the Fourth Proportional to 9,986.17, 14,979.26 and 3,412.42

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Solution

The fourth proportional to 9,986.17, 14,979.26 and 3,412.42 is: 5,118.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,986.17 : 14,979.26 = 3,412.42 : x
  2. Step 2: Convert to fraction form
    9,986.17/14,979.26 = 3,412.42/x
  3. Step 3: Cross multiply
    9,986.17x = 14,979.26 × 3,412.42
  4. Step 4: Simplify right side
    9,986.17x = 51,115,526.41
  5. Step 5: Solve for x
    x = 51,115,526.41/9,986.17
  6. Step 6: Final answer
    x = 5,118.63

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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.