Home / 14,575.83-20,065.99-13,906.31

Finding the Fourth Proportional to 14,575.83, 20,065.99 and 13,906.31

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Solution

The fourth proportional to 14,575.83, 20,065.99 and 13,906.31 is: 19,144.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,575.83 : 20,065.99 = 13,906.31 : x
  2. Step 2: Convert to fraction form
    14,575.83/20,065.99 = 13,906.31/x
  3. Step 3: Cross multiply
    14,575.83x = 20,065.99 × 13,906.31
  4. Step 4: Simplify right side
    14,575.83x = 279,043,877.40
  5. Step 5: Solve for x
    x = 279,043,877.40/14,575.83
  6. Step 6: Final answer
    x = 19,144.29

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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.