Home / 19,087.56-28,623.78-7,397.64

Finding the Fourth Proportional to 19,087.56, 28,623.78 and 7,397.64

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Solution

The fourth proportional to 19,087.56, 28,623.78 and 7,397.64 is: 11,093.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,087.56 : 28,623.78 = 7,397.64 : x
  2. Step 2: Convert to fraction form
    19,087.56/28,623.78 = 7,397.64/x
  3. Step 3: Cross multiply
    19,087.56x = 28,623.78 × 7,397.64
  4. Step 4: Simplify right side
    19,087.56x = 211,748,419.88
  5. Step 5: Solve for x
    x = 211,748,419.88/19,087.56
  6. Step 6: Final answer
    x = 11,093.53

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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.