Home / 19,422.23-26,774.15-13,739.47

Finding the Fourth Proportional to 19,422.23, 26,774.15 and 13,739.47

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Solution

The fourth proportional to 19,422.23, 26,774.15 and 13,739.47 is: 18,940.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,422.23 : 26,774.15 = 13,739.47 : x
  2. Step 2: Convert to fraction form
    19,422.23/26,774.15 = 13,739.47/x
  3. Step 3: Cross multiply
    19,422.23x = 26,774.15 × 13,739.47
  4. Step 4: Simplify right side
    19,422.23x = 367,862,495.07
  5. Step 5: Solve for x
    x = 367,862,495.07/19,422.23
  6. Step 6: Final answer
    x = 18,940.29

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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.