Home / 18,157.89-25,060.41-10,200.72

Finding the Fourth Proportional to 18,157.89, 25,060.41 and 10,200.72

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Solution

The fourth proportional to 18,157.89, 25,060.41 and 10,200.72 is: 14,078.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,157.89 : 25,060.41 = 10,200.72 : x
  2. Step 2: Convert to fraction form
    18,157.89/25,060.41 = 10,200.72/x
  3. Step 3: Cross multiply
    18,157.89x = 25,060.41 × 10,200.72
  4. Step 4: Simplify right side
    18,157.89x = 255,634,225.50
  5. Step 5: Solve for x
    x = 255,634,225.50/18,157.89
  6. Step 6: Final answer
    x = 14,078.41

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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.