Home / 19,488.66-26,894.64-11,530.68

Finding the Fourth Proportional to 19,488.66, 26,894.64 and 11,530.68

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Solution

The fourth proportional to 19,488.66, 26,894.64 and 11,530.68 is: 15,912.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,488.66 : 26,894.64 = 11,530.68 : x
  2. Step 2: Convert to fraction form
    19,488.66/26,894.64 = 11,530.68/x
  3. Step 3: Cross multiply
    19,488.66x = 26,894.64 × 11,530.68
  4. Step 4: Simplify right side
    19,488.66x = 310,113,487.56
  5. Step 5: Solve for x
    x = 310,113,487.56/19,488.66
  6. Step 6: Final answer
    x = 15,912.51

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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.