Home / 19,212-26,534.43-12,913.44

Finding the Fourth Proportional to 19,212, 26,534.43 and 12,913.44

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Solution

The fourth proportional to 19,212, 26,534.43 and 12,913.44 is: 17,835.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,212 : 26,534.43 = 12,913.44 : x
  2. Step 2: Convert to fraction form
    19,212/26,534.43 = 12,913.44/x
  3. Step 3: Cross multiply
    19,212x = 26,534.43 × 12,913.44
  4. Step 4: Simplify right side
    19,212x = 342,650,769.74
  5. Step 5: Solve for x
    x = 342,650,769.74/19,212
  6. Step 6: Final answer
    x = 17,835.25

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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.