Home / 18,141.56-25,035.97-10,075.34

Finding the Fourth Proportional to 18,141.56, 25,035.97 and 10,075.34

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Solution

The fourth proportional to 18,141.56, 25,035.97 and 10,075.34 is: 13,904.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,141.56 : 25,035.97 = 10,075.34 : x
  2. Step 2: Convert to fraction form
    18,141.56/25,035.97 = 10,075.34/x
  3. Step 3: Cross multiply
    18,141.56x = 25,035.97 × 10,075.34
  4. Step 4: Simplify right side
    18,141.56x = 252,245,935.17
  5. Step 5: Solve for x
    x = 252,245,935.17/18,141.56
  6. Step 6: Final answer
    x = 13,904.32

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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.