Home / 19,454.16-26,857.80-12,849.36

Finding the Fourth Proportional to 19,454.16, 26,857.80 and 12,849.36

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Solution

The fourth proportional to 19,454.16, 26,857.80 and 12,849.36 is: 17,739.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,454.16 : 26,857.80 = 12,849.36 : x
  2. Step 2: Convert to fraction form
    19,454.16/26,857.80 = 12,849.36/x
  3. Step 3: Cross multiply
    19,454.16x = 26,857.80 × 12,849.36
  4. Step 4: Simplify right side
    19,454.16x = 345,105,541.01
  5. Step 5: Solve for x
    x = 345,105,541.01/19,454.16
  6. Step 6: Final answer
    x = 17,739.42

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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.