Home / 18,993.47-26,193.93-15,817.26

Finding the Fourth Proportional to 18,993.47, 26,193.93 and 15,817.26

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Solution

The fourth proportional to 18,993.47, 26,193.93 and 15,817.26 is: 21,813.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,993.47 : 26,193.93 = 15,817.26 : x
  2. Step 2: Convert to fraction form
    18,993.47/26,193.93 = 15,817.26/x
  3. Step 3: Cross multiply
    18,993.47x = 26,193.93 × 15,817.26
  4. Step 4: Simplify right side
    18,993.47x = 414,316,201.23
  5. Step 5: Solve for x
    x = 414,316,201.23/18,993.47
  6. Step 6: Final answer
    x = 21,813.62

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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.