Home / 11,181.02-15,429.72-6,145.30

Finding the Fourth Proportional to 11,181.02, 15,429.72 and 6,145.30

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Solution

The fourth proportional to 11,181.02, 15,429.72 and 6,145.30 is: 8,480.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,181.02 : 15,429.72 = 6,145.30 : x
  2. Step 2: Convert to fraction form
    11,181.02/15,429.72 = 6,145.30/x
  3. Step 3: Cross multiply
    11,181.02x = 15,429.72 × 6,145.30
  4. Step 4: Simplify right side
    11,181.02x = 94,820,258.32
  5. Step 5: Solve for x
    x = 94,820,258.32/11,181.02
  6. Step 6: Final answer
    x = 8,480.47

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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.