Home / 19,148.14-26,420.52-11,188.83

Finding the Fourth Proportional to 19,148.14, 26,420.52 and 11,188.83

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Solution

The fourth proportional to 19,148.14, 26,420.52 and 11,188.83 is: 15,438.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,148.14 : 26,420.52 = 11,188.83 : x
  2. Step 2: Convert to fraction form
    19,148.14/26,420.52 = 11,188.83/x
  3. Step 3: Cross multiply
    19,148.14x = 26,420.52 × 11,188.83
  4. Step 4: Simplify right side
    19,148.14x = 295,614,706.79
  5. Step 5: Solve for x
    x = 295,614,706.79/19,148.14
  6. Step 6: Final answer
    x = 15,438.30

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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.