Home / 16,885.40-25,328.70-5,198.60

Finding the Fourth Proportional to 16,885.40, 25,328.70 and 5,198.60

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Solution

The fourth proportional to 16,885.40, 25,328.70 and 5,198.60 is: 7,798.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,885.40 : 25,328.70 = 5,198.60 : x
  2. Step 2: Convert to fraction form
    16,885.40/25,328.70 = 5,198.60/x
  3. Step 3: Cross multiply
    16,885.40x = 25,328.70 × 5,198.60
  4. Step 4: Simplify right side
    16,885.40x = 131,673,779.82
  5. Step 5: Solve for x
    x = 131,673,779.82/16,885.40
  6. Step 6: Final answer
    x = 7,798.08

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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.