Home / 19,275.96-26,599.37-11,721.25

Finding the Fourth Proportional to 19,275.96, 26,599.37 and 11,721.25

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Solution

The fourth proportional to 19,275.96, 26,599.37 and 11,721.25 is: 16,174.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,275.96 : 26,599.37 = 11,721.25 : x
  2. Step 2: Convert to fraction form
    19,275.96/26,599.37 = 11,721.25/x
  3. Step 3: Cross multiply
    19,275.96x = 26,599.37 × 11,721.25
  4. Step 4: Simplify right side
    19,275.96x = 311,777,840.26
  5. Step 5: Solve for x
    x = 311,777,840.26/19,275.96
  6. Step 6: Final answer
    x = 16,174.44

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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.