Home / 11,181.84-15,431.12-6,146.52

Finding the Fourth Proportional to 11,181.84, 15,431.12 and 6,146.52

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Solution

The fourth proportional to 11,181.84, 15,431.12 and 6,146.52 is: 8,482.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,181.84 : 15,431.12 = 6,146.52 : x
  2. Step 2: Convert to fraction form
    11,181.84/15,431.12 = 6,146.52/x
  3. Step 3: Cross multiply
    11,181.84x = 15,431.12 × 6,146.52
  4. Step 4: Simplify right side
    11,181.84x = 94,847,687.70
  5. Step 5: Solve for x
    x = 94,847,687.70/11,181.84
  6. Step 6: Final answer
    x = 8,482.30

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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.