Home / 13,310.93-19,968.74-4,543.79

Finding the Fourth Proportional to 13,310.93, 19,968.74 and 4,543.79

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Solution

The fourth proportional to 13,310.93, 19,968.74 and 4,543.79 is: 6,816.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310.93 : 19,968.74 = 4,543.79 : x
  2. Step 2: Convert to fraction form
    13,310.93/19,968.74 = 4,543.79/x
  3. Step 3: Cross multiply
    13,310.93x = 19,968.74 × 4,543.79
  4. Step 4: Simplify right side
    13,310.93x = 90,733,672.64
  5. Step 5: Solve for x
    x = 90,733,672.64/13,310.93
  6. Step 6: Final answer
    x = 6,816.48

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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.