Home / 11,809.32-16,297.75-6,505.05

Finding the Fourth Proportional to 11,809.32, 16,297.75 and 6,505.05

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Solution

The fourth proportional to 11,809.32, 16,297.75 and 6,505.05 is: 8,977.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,809.32 : 16,297.75 = 6,505.05 : x
  2. Step 2: Convert to fraction form
    11,809.32/16,297.75 = 6,505.05/x
  3. Step 3: Cross multiply
    11,809.32x = 16,297.75 × 6,505.05
  4. Step 4: Simplify right side
    11,809.32x = 106,017,678.64
  5. Step 5: Solve for x
    x = 106,017,678.64/11,809.32
  6. Step 6: Final answer
    x = 8,977.46

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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.