Home / 19,768.40-29,618.40-10,394.48

Finding the Fourth Proportional to 19,768.40, 29,618.40 and 10,394.48

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Solution

The fourth proportional to 19,768.40, 29,618.40 and 10,394.48 is: 15,573.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,768.40 : 29,618.40 = 10,394.48 : x
  2. Step 2: Convert to fraction form
    19,768.40/29,618.40 = 10,394.48/x
  3. Step 3: Cross multiply
    19,768.40x = 29,618.40 × 10,394.48
  4. Step 4: Simplify right side
    19,768.40x = 307,867,866.43
  5. Step 5: Solve for x
    x = 307,867,866.43/19,768.40
  6. Step 6: Final answer
    x = 15,573.74

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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.