Home / 16,675.12-25,003.44-6,821.32

Finding the Fourth Proportional to 16,675.12, 25,003.44 and 6,821.32

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Solution

The fourth proportional to 16,675.12, 25,003.44 and 6,821.32 is: 10,228.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,675.12 : 25,003.44 = 6,821.32 : x
  2. Step 2: Convert to fraction form
    16,675.12/25,003.44 = 6,821.32/x
  3. Step 3: Cross multiply
    16,675.12x = 25,003.44 × 6,821.32
  4. Step 4: Simplify right side
    16,675.12x = 170,556,465.34
  5. Step 5: Solve for x
    x = 170,556,465.34/16,675.12
  6. Step 6: Final answer
    x = 10,228.20

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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.