Home / 19,261.39-28,892.47-8,729.47

Finding the Fourth Proportional to 19,261.39, 28,892.47 and 8,729.47

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Solution

The fourth proportional to 19,261.39, 28,892.47 and 8,729.47 is: 13,094.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,261.39 : 28,892.47 = 8,729.47 : x
  2. Step 2: Convert to fraction form
    19,261.39/28,892.47 = 8,729.47/x
  3. Step 3: Cross multiply
    19,261.39x = 28,892.47 × 8,729.47
  4. Step 4: Simplify right side
    19,261.39x = 252,215,805.63
  5. Step 5: Solve for x
    x = 252,215,805.63/19,261.39
  6. Step 6: Final answer
    x = 13,094.37

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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.