Home / 17,185.26-25,784.02-10,603.78

Finding the Fourth Proportional to 17,185.26, 25,784.02 and 10,603.78

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Solution

The fourth proportional to 17,185.26, 25,784.02 and 10,603.78 is: 15,909.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,185.26 : 25,784.02 = 10,603.78 : x
  2. Step 2: Convert to fraction form
    17,185.26/25,784.02 = 10,603.78/x
  3. Step 3: Cross multiply
    17,185.26x = 25,784.02 × 10,603.78
  4. Step 4: Simplify right side
    17,185.26x = 273,408,075.60
  5. Step 5: Solve for x
    x = 273,408,075.60/17,185.26
  6. Step 6: Final answer
    x = 15,909.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.