Home / 13,837.95-19,102.55-9,375.26

Finding the Fourth Proportional to 13,837.95, 19,102.55 and 9,375.26

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Solution

The fourth proportional to 13,837.95, 19,102.55 and 9,375.26 is: 12,942.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,837.95 : 19,102.55 = 9,375.26 : x
  2. Step 2: Convert to fraction form
    13,837.95/19,102.55 = 9,375.26/x
  3. Step 3: Cross multiply
    13,837.95x = 19,102.55 × 9,375.26
  4. Step 4: Simplify right side
    13,837.95x = 179,091,230.52
  5. Step 5: Solve for x
    x = 179,091,230.52/13,837.95
  6. Step 6: Final answer
    x = 12,942.03

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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.