Home / 14,383.20-19,798.92-12,400.32

Finding the Fourth Proportional to 14,383.20, 19,798.92 and 12,400.32

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Solution

The fourth proportional to 14,383.20, 19,798.92 and 12,400.32 is: 17,069.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,383.20 : 19,798.92 = 12,400.32 : x
  2. Step 2: Convert to fraction form
    14,383.20/19,798.92 = 12,400.32/x
  3. Step 3: Cross multiply
    14,383.20x = 19,798.92 × 12,400.32
  4. Step 4: Simplify right side
    14,383.20x = 245,512,943.65
  5. Step 5: Solve for x
    x = 245,512,943.65/14,383.20
  6. Step 6: Final answer
    x = 17,069.42

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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.