Home / 13,238.14-19,851.38-6,220.15

Finding the Fourth Proportional to 13,238.14, 19,851.38 and 6,220.15

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Solution

The fourth proportional to 13,238.14, 19,851.38 and 6,220.15 is: 9,327.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,238.14 : 19,851.38 = 6,220.15 : x
  2. Step 2: Convert to fraction form
    13,238.14/19,851.38 = 6,220.15/x
  3. Step 3: Cross multiply
    13,238.14x = 19,851.38 × 6,220.15
  4. Step 4: Simplify right side
    13,238.14x = 123,478,530.21
  5. Step 5: Solve for x
    x = 123,478,530.21/13,238.14
  6. Step 6: Final answer
    x = 9,327.48

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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.