Home / 21,052.14-29,038.96-12,548.54

Finding the Fourth Proportional to 21,052.14, 29,038.96 and 12,548.54

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Solution

The fourth proportional to 21,052.14, 29,038.96 and 12,548.54 is: 17,309.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,052.14 : 29,038.96 = 12,548.54 : x
  2. Step 2: Convert to fraction form
    21,052.14/29,038.96 = 12,548.54/x
  3. Step 3: Cross multiply
    21,052.14x = 29,038.96 × 12,548.54
  4. Step 4: Simplify right side
    21,052.14x = 364,396,551.12
  5. Step 5: Solve for x
    x = 364,396,551.12/21,052.14
  6. Step 6: Final answer
    x = 17,309.24

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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.