Home / 6,681.21-10,019.08-1,999.57

Finding the Fourth Proportional to 6,681.21, 10,019.08 and 1,999.57

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Solution

The fourth proportional to 6,681.21, 10,019.08 and 1,999.57 is: 2,998.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,681.21 : 10,019.08 = 1,999.57 : x
  2. Step 2: Convert to fraction form
    6,681.21/10,019.08 = 1,999.57/x
  3. Step 3: Cross multiply
    6,681.21x = 10,019.08 × 1,999.57
  4. Step 4: Simplify right side
    6,681.21x = 20,033,841.80
  5. Step 5: Solve for x
    x = 20,033,841.80/6,681.21
  6. Step 6: Final answer
    x = 2,998.53

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1.5x scale

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.