Home / 18,291.07-25,259.61-15,622.93

Finding the Fourth Proportional to 18,291.07, 25,259.61 and 15,622.93

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Solution

The fourth proportional to 18,291.07, 25,259.61 and 15,622.93 is: 21,574.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,291.07 : 25,259.61 = 15,622.93 : x
  2. Step 2: Convert to fraction form
    18,291.07/25,259.61 = 15,622.93/x
  3. Step 3: Cross multiply
    18,291.07x = 25,259.61 × 15,622.93
  4. Step 4: Simplify right side
    18,291.07x = 394,629,118.86
  5. Step 5: Solve for x
    x = 394,629,118.86/18,291.07
  6. Step 6: Final answer
    x = 21,574.96

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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.