Home / 19,699.84-27,184.68-11,316.36

Finding the Fourth Proportional to 19,699.84, 27,184.68 and 11,316.36

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Solution

The fourth proportional to 19,699.84, 27,184.68 and 11,316.36 is: 15,615.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,699.84 : 27,184.68 = 11,316.36 : x
  2. Step 2: Convert to fraction form
    19,699.84/27,184.68 = 11,316.36/x
  3. Step 3: Cross multiply
    19,699.84x = 27,184.68 × 11,316.36
  4. Step 4: Simplify right side
    19,699.84x = 307,631,625.36
  5. Step 5: Solve for x
    x = 307,631,625.36/19,699.84
  6. Step 6: Final answer
    x = 15,615.95

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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.