Home / 13,237.26-19,820.37-6,984.30

Finding the Fourth Proportional to 13,237.26, 19,820.37 and 6,984.30

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Solution

The fourth proportional to 13,237.26, 19,820.37 and 6,984.30 is: 10,457.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237.26 : 19,820.37 = 6,984.30 : x
  2. Step 2: Convert to fraction form
    13,237.26/19,820.37 = 6,984.30/x
  3. Step 3: Cross multiply
    13,237.26x = 19,820.37 × 6,984.30
  4. Step 4: Simplify right side
    13,237.26x = 138,431,410.19
  5. Step 5: Solve for x
    x = 138,431,410.19/13,237.26
  6. Step 6: Final answer
    x = 10,457.71

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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.