Home / 16,861.34-25,285.70-6,726.72

Finding the Fourth Proportional to 16,861.34, 25,285.70 and 6,726.72

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Solution

The fourth proportional to 16,861.34, 25,285.70 and 6,726.72 is: 10,087.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,861.34 : 25,285.70 = 6,726.72 : x
  2. Step 2: Convert to fraction form
    16,861.34/25,285.70 = 6,726.72/x
  3. Step 3: Cross multiply
    16,861.34x = 25,285.70 × 6,726.72
  4. Step 4: Simplify right side
    16,861.34x = 170,089,823.90
  5. Step 5: Solve for x
    x = 170,089,823.90/16,861.34
  6. Step 6: Final answer
    x = 10,087.56

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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.