Home / 19,860.04-27,405.84-11,476

Finding the Fourth Proportional to 19,860.04, 27,405.84 and 11,476

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Solution

The fourth proportional to 19,860.04, 27,405.84 and 11,476 is: 15,836.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,860.04 : 27,405.84 = 11,476 : x
  2. Step 2: Convert to fraction form
    19,860.04/27,405.84 = 11,476/x
  3. Step 3: Cross multiply
    19,860.04x = 27,405.84 × 11,476
  4. Step 4: Simplify right side
    19,860.04x = 314,509,419.84
  5. Step 5: Solve for x
    x = 314,509,419.84/19,860.04
  6. Step 6: Final answer
    x = 15,836.29

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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.