Home / 14,809.32-20,435.09-8,435.93

Finding the Fourth Proportional to 14,809.32, 20,435.09 and 8,435.93

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Solution

The fourth proportional to 14,809.32, 20,435.09 and 8,435.93 is: 11,640.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,809.32 : 20,435.09 = 8,435.93 : x
  2. Step 2: Convert to fraction form
    14,809.32/20,435.09 = 8,435.93/x
  3. Step 3: Cross multiply
    14,809.32x = 20,435.09 × 8,435.93
  4. Step 4: Simplify right side
    14,809.32x = 172,388,844.43
  5. Step 5: Solve for x
    x = 172,388,844.43/14,809.32
  6. Step 6: Final answer
    x = 11,640.56

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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.