Home / 14,449.20-19,949.16-11,802.96

Finding the Fourth Proportional to 14,449.20, 19,949.16 and 11,802.96

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Solution

The fourth proportional to 14,449.20, 19,949.16 and 11,802.96 is: 16,295.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,449.20 : 19,949.16 = 11,802.96 : x
  2. Step 2: Convert to fraction form
    14,449.20/19,949.16 = 11,802.96/x
  3. Step 3: Cross multiply
    14,449.20x = 19,949.16 × 11,802.96
  4. Step 4: Simplify right side
    14,449.20x = 235,459,137.51
  5. Step 5: Solve for x
    x = 235,459,137.51/14,449.20
  6. Step 6: Final answer
    x = 16,295.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.