Home / 12,927.04-19,387.98-3,564.64

Finding the Fourth Proportional to 12,927.04, 19,387.98 and 3,564.64

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Solution

The fourth proportional to 12,927.04, 19,387.98 and 3,564.64 is: 5,346.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,927.04 : 19,387.98 = 3,564.64 : x
  2. Step 2: Convert to fraction form
    12,927.04/19,387.98 = 3,564.64/x
  3. Step 3: Cross multiply
    12,927.04x = 19,387.98 × 3,564.64
  4. Step 4: Simplify right side
    12,927.04x = 69,111,169.03
  5. Step 5: Solve for x
    x = 69,111,169.03/12,927.04
  6. Step 6: Final answer
    x = 5,346.25

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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.