Home / 14,223.82-19,648.74-13,476.46

Finding the Fourth Proportional to 14,223.82, 19,648.74 and 13,476.46

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Solution

The fourth proportional to 14,223.82, 19,648.74 and 13,476.46 is: 18,616.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,223.82 : 19,648.74 = 13,476.46 : x
  2. Step 2: Convert to fraction form
    14,223.82/19,648.74 = 13,476.46/x
  3. Step 3: Cross multiply
    14,223.82x = 19,648.74 × 13,476.46
  4. Step 4: Simplify right side
    14,223.82x = 264,795,458.66
  5. Step 5: Solve for x
    x = 264,795,458.66/14,223.82
  6. Step 6: Final answer
    x = 18,616.34

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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.