Home / 25,075.97-34,605.73-13,745.46

Finding the Fourth Proportional to 25,075.97, 34,605.73 and 13,745.46

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Solution

The fourth proportional to 25,075.97, 34,605.73 and 13,745.46 is: 18,969.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,075.97 : 34,605.73 = 13,745.46 : x
  2. Step 2: Convert to fraction form
    25,075.97/34,605.73 = 13,745.46/x
  3. Step 3: Cross multiply
    25,075.97x = 34,605.73 × 13,745.46
  4. Step 4: Simplify right side
    25,075.97x = 475,671,711.83
  5. Step 5: Solve for x
    x = 475,671,711.83/25,075.97
  6. Step 6: Final answer
    x = 18,969.22

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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.