Home / 14,014.33-21,003.71-13,866.02

Finding the Fourth Proportional to 14,014.33, 21,003.71 and 13,866.02

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Solution

The fourth proportional to 14,014.33, 21,003.71 and 13,866.02 is: 20,781.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,014.33 : 21,003.71 = 13,866.02 : x
  2. Step 2: Convert to fraction form
    14,014.33/21,003.71 = 13,866.02/x
  3. Step 3: Cross multiply
    14,014.33x = 21,003.71 × 13,866.02
  4. Step 4: Simplify right side
    14,014.33x = 291,237,862.93
  5. Step 5: Solve for x
    x = 291,237,862.93/14,014.33
  6. Step 6: Final answer
    x = 20,781.43

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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.