Home / 11,944.08-16,482.74-6,639.21

Finding the Fourth Proportional to 11,944.08, 16,482.74 and 6,639.21

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Solution

The fourth proportional to 11,944.08, 16,482.74 and 6,639.21 is: 9,162.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,944.08 : 16,482.74 = 6,639.21 : x
  2. Step 2: Convert to fraction form
    11,944.08/16,482.74 = 6,639.21/x
  3. Step 3: Cross multiply
    11,944.08x = 16,482.74 × 6,639.21
  4. Step 4: Simplify right side
    11,944.08x = 109,432,306.42
  5. Step 5: Solve for x
    x = 109,432,306.42/11,944.08
  6. Step 6: Final answer
    x = 9,162.06

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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.