Home / 19,188.62-28,741.26-9,307.13

Finding the Fourth Proportional to 19,188.62, 28,741.26 and 9,307.13

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Solution

The fourth proportional to 19,188.62, 28,741.26 and 9,307.13 is: 13,940.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,188.62 : 28,741.26 = 9,307.13 : x
  2. Step 2: Convert to fraction form
    19,188.62/28,741.26 = 9,307.13/x
  3. Step 3: Cross multiply
    19,188.62x = 28,741.26 × 9,307.13
  4. Step 4: Simplify right side
    19,188.62x = 267,498,499.48
  5. Step 5: Solve for x
    x = 267,498,499.48/19,188.62
  6. Step 6: Final answer
    x = 13,940.48

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1.5x scale

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.