Home / 13,506.45-20,274.59-7,963.80

Finding the Fourth Proportional to 13,506.45, 20,274.59 and 7,963.80

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Solution

The fourth proportional to 13,506.45, 20,274.59 and 7,963.80 is: 11,954.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,506.45 : 20,274.59 = 7,963.80 : x
  2. Step 2: Convert to fraction form
    13,506.45/20,274.59 = 7,963.80/x
  3. Step 3: Cross multiply
    13,506.45x = 20,274.59 × 7,963.80
  4. Step 4: Simplify right side
    13,506.45x = 161,462,779.84
  5. Step 5: Solve for x
    x = 161,462,779.84/13,506.45
  6. Step 6: Final answer
    x = 11,954.49

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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.