Home / 11,181.03-15,429.50-6,145.25

Finding the Fourth Proportional to 11,181.03, 15,429.50 and 6,145.25

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Solution

The fourth proportional to 11,181.03, 15,429.50 and 6,145.25 is: 8,480.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,181.03 : 15,429.50 = 6,145.25 : x
  2. Step 2: Convert to fraction form
    11,181.03/15,429.50 = 6,145.25/x
  3. Step 3: Cross multiply
    11,181.03x = 15,429.50 × 6,145.25
  4. Step 4: Simplify right side
    11,181.03x = 94,818,050.05
  5. Step 5: Solve for x
    x = 94,818,050.05/11,181.03
  6. Step 6: Final answer
    x = 8,480.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.