Home / 19,290.39-28,938.27-5,964.47

Finding the Fourth Proportional to 19,290.39, 28,938.27 and 5,964.47

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Solution

The fourth proportional to 19,290.39, 28,938.27 and 5,964.47 is: 8,947.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,290.39 : 28,938.27 = 5,964.47 : x
  2. Step 2: Convert to fraction form
    19,290.39/28,938.27 = 5,964.47/x
  3. Step 3: Cross multiply
    19,290.39x = 28,938.27 × 5,964.47
  4. Step 4: Simplify right side
    19,290.39x = 172,601,407.09
  5. Step 5: Solve for x
    x = 172,601,407.09/19,290.39
  6. Step 6: Final answer
    x = 8,947.54

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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.