Home / 14,405.06-19,880.01-8,117.44

Finding the Fourth Proportional to 14,405.06, 19,880.01 and 8,117.44

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Solution

The fourth proportional to 14,405.06, 19,880.01 and 8,117.44 is: 11,202.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,405.06 : 19,880.01 = 8,117.44 : x
  2. Step 2: Convert to fraction form
    14,405.06/19,880.01 = 8,117.44/x
  3. Step 3: Cross multiply
    14,405.06x = 19,880.01 × 8,117.44
  4. Step 4: Simplify right side
    14,405.06x = 161,374,738.67
  5. Step 5: Solve for x
    x = 161,374,738.67/14,405.06
  6. Step 6: Final answer
    x = 11,202.64

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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.