Home / 9,986.10-14,979.15-3,410.70

Finding the Fourth Proportional to 9,986.10, 14,979.15 and 3,410.70

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Solution

The fourth proportional to 9,986.10, 14,979.15 and 3,410.70 is: 5,116.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,986.10 : 14,979.15 = 3,410.70 : x
  2. Step 2: Convert to fraction form
    9,986.10/14,979.15 = 3,410.70/x
  3. Step 3: Cross multiply
    9,986.10x = 14,979.15 × 3,410.70
  4. Step 4: Simplify right side
    9,986.10x = 51,089,386.91
  5. Step 5: Solve for x
    x = 51,089,386.91/9,986.10
  6. Step 6: Final answer
    x = 5,116.05

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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.