Home / 18,764.40-25,801.56-17,986.80

Finding the Fourth Proportional to 18,764.40, 25,801.56 and 17,986.80

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Solution

The fourth proportional to 18,764.40, 25,801.56 and 17,986.80 is: 24,732.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,764.40 : 25,801.56 = 17,986.80 : x
  2. Step 2: Convert to fraction form
    18,764.40/25,801.56 = 17,986.80/x
  3. Step 3: Cross multiply
    18,764.40x = 25,801.56 × 17,986.80
  4. Step 4: Simplify right side
    18,764.40x = 464,087,499.41
  5. Step 5: Solve for x
    x = 464,087,499.41/18,764.40
  6. Step 6: Final answer
    x = 24,732.34

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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.