Home / 25,186.85-34,757.93-13,857.51

Finding the Fourth Proportional to 25,186.85, 34,757.93 and 13,857.51

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Solution

The fourth proportional to 25,186.85, 34,757.93 and 13,857.51 is: 19,123.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,186.85 : 34,757.93 = 13,857.51 : x
  2. Step 2: Convert to fraction form
    25,186.85/34,757.93 = 13,857.51/x
  3. Step 3: Cross multiply
    25,186.85x = 34,757.93 × 13,857.51
  4. Step 4: Simplify right side
    25,186.85x = 481,658,362.55
  5. Step 5: Solve for x
    x = 481,658,362.55/25,186.85
  6. Step 6: Final answer
    x = 19,123.41

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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.