Home / 19,277.29-26,594.61-12,978.73

Finding the Fourth Proportional to 19,277.29, 26,594.61 and 12,978.73

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Solution

The fourth proportional to 19,277.29, 26,594.61 and 12,978.73 is: 17,905.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,277.29 : 26,594.61 = 12,978.73 : x
  2. Step 2: Convert to fraction form
    19,277.29/26,594.61 = 12,978.73/x
  3. Step 3: Cross multiply
    19,277.29x = 26,594.61 × 12,978.73
  4. Step 4: Simplify right side
    19,277.29x = 345,164,262.65
  5. Step 5: Solve for x
    x = 345,164,262.65/19,277.29
  6. Step 6: Final answer
    x = 17,905.23

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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.