Home / 16,815.09-25,220.67-6,285.50

Finding the Fourth Proportional to 16,815.09, 25,220.67 and 6,285.50

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Solution

The fourth proportional to 16,815.09, 25,220.67 and 6,285.50 is: 9,427.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,815.09 : 25,220.67 = 6,285.50 : x
  2. Step 2: Convert to fraction form
    16,815.09/25,220.67 = 6,285.50/x
  3. Step 3: Cross multiply
    16,815.09x = 25,220.67 × 6,285.50
  4. Step 4: Simplify right side
    16,815.09x = 158,524,466.19
  5. Step 5: Solve for x
    x = 158,524,466.19/16,815.09
  6. Step 6: Final answer
    x = 9,427.51

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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.