Home / 16,861.47-25,291.99-4,380.38

Finding the Fourth Proportional to 16,861.47, 25,291.99 and 4,380.38

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Solution

The fourth proportional to 16,861.47, 25,291.99 and 4,380.38 is: 6,570.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,861.47 : 25,291.99 = 4,380.38 : x
  2. Step 2: Convert to fraction form
    16,861.47/25,291.99 = 4,380.38/x
  3. Step 3: Cross multiply
    16,861.47x = 25,291.99 × 4,380.38
  4. Step 4: Simplify right side
    16,861.47x = 110,788,527.16
  5. Step 5: Solve for x
    x = 110,788,527.16/16,861.47
  6. Step 6: Final answer
    x = 6,570.51

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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.