Home / 19,534.64-26,960.49-11,979.63

Finding the Fourth Proportional to 19,534.64, 26,960.49 and 11,979.63

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Solution

The fourth proportional to 19,534.64, 26,960.49 and 11,979.63 is: 16,533.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,534.64 : 26,960.49 = 11,979.63 : x
  2. Step 2: Convert to fraction form
    19,534.64/26,960.49 = 11,979.63/x
  3. Step 3: Cross multiply
    19,534.64x = 26,960.49 × 11,979.63
  4. Step 4: Simplify right side
    19,534.64x = 322,976,694.82
  5. Step 5: Solve for x
    x = 322,976,694.82/19,534.64
  6. Step 6: Final answer
    x = 16,533.54

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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.