Home / 18,548.80-25,597.20-10,165.28

Finding the Fourth Proportional to 18,548.80, 25,597.20 and 10,165.28

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Solution

The fourth proportional to 18,548.80, 25,597.20 and 10,165.28 is: 14,028.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,548.80 : 25,597.20 = 10,165.28 : x
  2. Step 2: Convert to fraction form
    18,548.80/25,597.20 = 10,165.28/x
  3. Step 3: Cross multiply
    18,548.80x = 25,597.20 × 10,165.28
  4. Step 4: Simplify right side
    18,548.80x = 260,202,705.22
  5. Step 5: Solve for x
    x = 260,202,705.22/18,548.80
  6. Step 6: Final answer
    x = 14,028.01

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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.