Home / 14,392.20-19,858.32-11,038.80

Finding the Fourth Proportional to 14,392.20, 19,858.32 and 11,038.80

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Solution

The fourth proportional to 14,392.20, 19,858.32 and 11,038.80 is: 15,231.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,392.20 : 19,858.32 = 11,038.80 : x
  2. Step 2: Convert to fraction form
    14,392.20/19,858.32 = 11,038.80/x
  3. Step 3: Cross multiply
    14,392.20x = 19,858.32 × 11,038.80
  4. Step 4: Simplify right side
    14,392.20x = 219,212,022.82
  5. Step 5: Solve for x
    x = 219,212,022.82/14,392.20
  6. Step 6: Final answer
    x = 15,231.31

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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.