Home / 18,824.54-28,240.41-8,968.46

Finding the Fourth Proportional to 18,824.54, 28,240.41 and 8,968.46

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Solution

The fourth proportional to 18,824.54, 28,240.41 and 8,968.46 is: 13,454.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,824.54 : 28,240.41 = 8,968.46 : x
  2. Step 2: Convert to fraction form
    18,824.54/28,240.41 = 8,968.46/x
  3. Step 3: Cross multiply
    18,824.54x = 28,240.41 × 8,968.46
  4. Step 4: Simplify right side
    18,824.54x = 253,272,846.27
  5. Step 5: Solve for x
    x = 253,272,846.27/18,824.54
  6. Step 6: Final answer
    x = 13,454.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.