Home / 17,985.36-26,973.84-6,897.36

Finding the Fourth Proportional to 17,985.36, 26,973.84 and 6,897.36

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Solution

The fourth proportional to 17,985.36, 26,973.84 and 6,897.36 is: 10,344.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,985.36 : 26,973.84 = 6,897.36 : x
  2. Step 2: Convert to fraction form
    17,985.36/26,973.84 = 6,897.36/x
  3. Step 3: Cross multiply
    17,985.36x = 26,973.84 × 6,897.36
  4. Step 4: Simplify right side
    17,985.36x = 186,048,285.06
  5. Step 5: Solve for x
    x = 186,048,285.06/17,985.36
  6. Step 6: Final answer
    x = 10,344.43

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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.