Home / 13,302.49-19,953.72-3,942.58

Finding the Fourth Proportional to 13,302.49, 19,953.72 and 3,942.58

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Solution

The fourth proportional to 13,302.49, 19,953.72 and 3,942.58 is: 5,913.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.49 : 19,953.72 = 3,942.58 : x
  2. Step 2: Convert to fraction form
    13,302.49/19,953.72 = 3,942.58/x
  3. Step 3: Cross multiply
    13,302.49x = 19,953.72 × 3,942.58
  4. Step 4: Simplify right side
    13,302.49x = 78,669,137.40
  5. Step 5: Solve for x
    x = 78,669,137.40/13,302.49
  6. Step 6: Final answer
    x = 5,913.87

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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.