Home / 19,148.37-26,425.12-11,195.21

Finding the Fourth Proportional to 19,148.37, 26,425.12 and 11,195.21

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Solution

The fourth proportional to 19,148.37, 26,425.12 and 11,195.21 is: 15,449.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,148.37 : 26,425.12 = 11,195.21 : x
  2. Step 2: Convert to fraction form
    19,148.37/26,425.12 = 11,195.21/x
  3. Step 3: Cross multiply
    19,148.37x = 26,425.12 × 11,195.21
  4. Step 4: Simplify right side
    19,148.37x = 295,834,635.55
  5. Step 5: Solve for x
    x = 295,834,635.55/19,148.37
  6. Step 6: Final answer
    x = 15,449.60

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Double scale
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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.