Home / 18,994.47-26,195.31-15,818.26

Finding the Fourth Proportional to 18,994.47, 26,195.31 and 15,818.26

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Solution

The fourth proportional to 18,994.47, 26,195.31 and 15,818.26 is: 21,814.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,994.47 : 26,195.31 = 15,818.26 : x
  2. Step 2: Convert to fraction form
    18,994.47/26,195.31 = 15,818.26/x
  3. Step 3: Cross multiply
    18,994.47x = 26,195.31 × 15,818.26
  4. Step 4: Simplify right side
    18,994.47x = 414,364,224.36
  5. Step 5: Solve for x
    x = 414,364,224.36/18,994.47
  6. Step 6: Final answer
    x = 21,814.99

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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.