Home / 14,203.91-21,305.74-4,209.32

Finding the Fourth Proportional to 14,203.91, 21,305.74 and 4,209.32

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Solution

The fourth proportional to 14,203.91, 21,305.74 and 4,209.32 is: 6,313.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,203.91 : 21,305.74 = 4,209.32 : x
  2. Step 2: Convert to fraction form
    14,203.91/21,305.74 = 4,209.32/x
  3. Step 3: Cross multiply
    14,203.91x = 21,305.74 × 4,209.32
  4. Step 4: Simplify right side
    14,203.91x = 89,682,581.49
  5. Step 5: Solve for x
    x = 89,682,581.49/14,203.91
  6. Step 6: Final answer
    x = 6,313.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.