Home / 21,448.98-29,576.61-13,059.54

Finding the Fourth Proportional to 21,448.98, 29,576.61 and 13,059.54

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Solution

The fourth proportional to 21,448.98, 29,576.61 and 13,059.54 is: 18,008.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,448.98 : 29,576.61 = 13,059.54 : x
  2. Step 2: Convert to fraction form
    21,448.98/29,576.61 = 13,059.54/x
  3. Step 3: Cross multiply
    21,448.98x = 29,576.61 × 13,059.54
  4. Step 4: Simplify right side
    21,448.98x = 386,256,921.36
  5. Step 5: Solve for x
    x = 386,256,921.36/21,448.98
  6. Step 6: Final answer
    x = 18,008.17

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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.