Home / 18,384.65-27,573.35-5,054.21

Finding the Fourth Proportional to 18,384.65, 27,573.35 and 5,054.21

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Solution

The fourth proportional to 18,384.65, 27,573.35 and 5,054.21 is: 7,580.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,384.65 : 27,573.35 = 5,054.21 : x
  2. Step 2: Convert to fraction form
    18,384.65/27,573.35 = 5,054.21/x
  3. Step 3: Cross multiply
    18,384.65x = 27,573.35 × 5,054.21
  4. Step 4: Simplify right side
    18,384.65x = 139,361,460.52
  5. Step 5: Solve for x
    x = 139,361,460.52/18,384.65
  6. Step 6: Final answer
    x = 7,580.31

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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.