Home / 19,730.25-27,227.76-11,346.75

Finding the Fourth Proportional to 19,730.25, 27,227.76 and 11,346.75

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Solution

The fourth proportional to 19,730.25, 27,227.76 and 11,346.75 is: 15,658.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,730.25 : 27,227.76 = 11,346.75 : x
  2. Step 2: Convert to fraction form
    19,730.25/27,227.76 = 11,346.75/x
  3. Step 3: Cross multiply
    19,730.25x = 27,227.76 × 11,346.75
  4. Step 4: Simplify right side
    19,730.25x = 308,946,585.78
  5. Step 5: Solve for x
    x = 308,946,585.78/19,730.25
  6. Step 6: Final answer
    x = 15,658.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.