Home / 9,986.26-14,980.60-4,139.68

Finding the Fourth Proportional to 9,986.26, 14,980.60 and 4,139.68

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Solution

The fourth proportional to 9,986.26, 14,980.60 and 4,139.68 is: 6,210.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,986.26 : 14,980.60 = 4,139.68 : x
  2. Step 2: Convert to fraction form
    9,986.26/14,980.60 = 4,139.68/x
  3. Step 3: Cross multiply
    9,986.26x = 14,980.60 × 4,139.68
  4. Step 4: Simplify right side
    9,986.26x = 62,014,890.21
  5. Step 5: Solve for x
    x = 62,014,890.21/9,986.26
  6. Step 6: Final answer
    x = 6,210.02

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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.