Home / 18,260.91-25,200.09-9,877.41

Finding the Fourth Proportional to 18,260.91, 25,200.09 and 9,877.41

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Solution

The fourth proportional to 18,260.91, 25,200.09 and 9,877.41 is: 13,630.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,260.91 : 25,200.09 = 9,877.41 : x
  2. Step 2: Convert to fraction form
    18,260.91/25,200.09 = 9,877.41/x
  3. Step 3: Cross multiply
    18,260.91x = 25,200.09 × 9,877.41
  4. Step 4: Simplify right side
    18,260.91x = 248,911,620.97
  5. Step 5: Solve for x
    x = 248,911,620.97/18,260.91
  6. Step 6: Final answer
    x = 13,630.84

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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.