Home / 34,173.20-51,283-11,986.40

Finding the Fourth Proportional to 34,173.20, 51,283 and 11,986.40

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Solution

The fourth proportional to 34,173.20, 51,283 and 11,986.40 is: 17,987.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,173.20 : 51,283 = 11,986.40 : x
  2. Step 2: Convert to fraction form
    34,173.20/51,283 = 11,986.40/x
  3. Step 3: Cross multiply
    34,173.20x = 51,283 × 11,986.40
  4. Step 4: Simplify right side
    34,173.20x = 614,698,551.20
  5. Step 5: Solve for x
    x = 614,698,551.20/34,173.20
  6. Step 6: Final answer
    x = 17,987.74

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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.