Home / 14,538.36-21,820.92-13,769.28

Finding the Fourth Proportional to 14,538.36, 21,820.92 and 13,769.28

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Solution

The fourth proportional to 14,538.36, 21,820.92 and 13,769.28 is: 20,666.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,538.36 : 21,820.92 = 13,769.28 : x
  2. Step 2: Convert to fraction form
    14,538.36/21,820.92 = 13,769.28/x
  3. Step 3: Cross multiply
    14,538.36x = 21,820.92 × 13,769.28
  4. Step 4: Simplify right side
    14,538.36x = 300,458,357.34
  5. Step 5: Solve for x
    x = 300,458,357.34/14,538.36
  6. Step 6: Final answer
    x = 20,666.59

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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.