Home / 18,389.04-27,584.47-5,243.35

Finding the Fourth Proportional to 18,389.04, 27,584.47 and 5,243.35

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Solution

The fourth proportional to 18,389.04, 27,584.47 and 5,243.35 is: 7,865.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,389.04 : 27,584.47 = 5,243.35 : x
  2. Step 2: Convert to fraction form
    18,389.04/27,584.47 = 5,243.35/x
  3. Step 3: Cross multiply
    18,389.04x = 27,584.47 × 5,243.35
  4. Step 4: Simplify right side
    18,389.04x = 144,635,030.77
  5. Step 5: Solve for x
    x = 144,635,030.77/18,389.04
  6. Step 6: Final answer
    x = 7,865.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.