Home / 16,899.05-25,339.89-9,880.61

Finding the Fourth Proportional to 16,899.05, 25,339.89 and 9,880.61

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Solution

The fourth proportional to 16,899.05, 25,339.89 and 9,880.61 is: 14,815.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,899.05 : 25,339.89 = 9,880.61 : x
  2. Step 2: Convert to fraction form
    16,899.05/25,339.89 = 9,880.61/x
  3. Step 3: Cross multiply
    16,899.05x = 25,339.89 × 9,880.61
  4. Step 4: Simplify right side
    16,899.05x = 250,373,570.53
  5. Step 5: Solve for x
    x = 250,373,570.53/16,899.05
  6. Step 6: Final answer
    x = 14,815.84

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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.