Home / 9,980.21-14,965.09-2,959.26

Finding the Fourth Proportional to 9,980.21, 14,965.09 and 2,959.26

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Solution

The fourth proportional to 9,980.21, 14,965.09 and 2,959.26 is: 4,437.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,980.21 : 14,965.09 = 2,959.26 : x
  2. Step 2: Convert to fraction form
    9,980.21/14,965.09 = 2,959.26/x
  3. Step 3: Cross multiply
    9,980.21x = 14,965.09 × 2,959.26
  4. Step 4: Simplify right side
    9,980.21x = 44,285,526.58
  5. Step 5: Solve for x
    x = 44,285,526.58/9,980.21
  6. Step 6: Final answer
    x = 4,437.33

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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.