Home / 14,828.88-20,354.84-13,112.68

Finding the Fourth Proportional to 14,828.88, 20,354.84 and 13,112.68

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Solution

The fourth proportional to 14,828.88, 20,354.84 and 13,112.68 is: 17,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,828.88 : 20,354.84 = 13,112.68 : x
  2. Step 2: Convert to fraction form
    14,828.88/20,354.84 = 13,112.68/x
  3. Step 3: Cross multiply
    14,828.88x = 20,354.84 × 13,112.68
  4. Step 4: Simplify right side
    14,828.88x = 266,906,503.37
  5. Step 5: Solve for x
    x = 266,906,503.37/14,828.88
  6. Step 6: Final answer
    x = 17,999.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.