Home / 17,201.94-25,686.45-13,652.13

Finding the Fourth Proportional to 17,201.94, 25,686.45 and 13,652.13

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Solution

The fourth proportional to 17,201.94, 25,686.45 and 13,652.13 is: 20,385.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,201.94 : 25,686.45 = 13,652.13 : x
  2. Step 2: Convert to fraction form
    17,201.94/25,686.45 = 13,652.13/x
  3. Step 3: Cross multiply
    17,201.94x = 25,686.45 × 13,652.13
  4. Step 4: Simplify right side
    17,201.94x = 350,674,754.64
  5. Step 5: Solve for x
    x = 350,674,754.64/17,201.94
  6. Step 6: Final answer
    x = 20,385.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.