Home / 19,439.52-26,825.76-11,883.18

Finding the Fourth Proportional to 19,439.52, 26,825.76 and 11,883.18

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Solution

The fourth proportional to 19,439.52, 26,825.76 and 11,883.18 is: 16,398.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,439.52 : 26,825.76 = 11,883.18 : x
  2. Step 2: Convert to fraction form
    19,439.52/26,825.76 = 11,883.18/x
  3. Step 3: Cross multiply
    19,439.52x = 26,825.76 × 11,883.18
  4. Step 4: Simplify right side
    19,439.52x = 318,775,334.72
  5. Step 5: Solve for x
    x = 318,775,334.72/19,439.52
  6. Step 6: Final answer
    x = 16,398.31

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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.