Home / 34,172.84-51,259.60-11,986.76

Finding the Fourth Proportional to 34,172.84, 51,259.60 and 11,986.76

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Solution

The fourth proportional to 34,172.84, 51,259.60 and 11,986.76 is: 17,980.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,172.84 : 51,259.60 = 11,986.76 : x
  2. Step 2: Convert to fraction form
    34,172.84/51,259.60 = 11,986.76/x
  3. Step 3: Cross multiply
    34,172.84x = 51,259.60 × 11,986.76
  4. Step 4: Simplify right side
    34,172.84x = 614,436,522.90
  5. Step 5: Solve for x
    x = 614,436,522.90/34,172.84
  6. Step 6: Final answer
    x = 17,980.26

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1.5x scale

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.