Home / 18,707.02-25,794.75-15,293.37

Finding the Fourth Proportional to 18,707.02, 25,794.75 and 15,293.37

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Solution

The fourth proportional to 18,707.02, 25,794.75 and 15,293.37 is: 21,087.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,707.02 : 25,794.75 = 15,293.37 : x
  2. Step 2: Convert to fraction form
    18,707.02/25,794.75 = 15,293.37/x
  3. Step 3: Cross multiply
    18,707.02x = 25,794.75 × 15,293.37
  4. Step 4: Simplify right side
    18,707.02x = 394,488,809.89
  5. Step 5: Solve for x
    x = 394,488,809.89/18,707.02
  6. Step 6: Final answer
    x = 21,087.74

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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.