Home / 13,156.57-19,734.86-5,262.65

Finding the Fourth Proportional to 13,156.57, 19,734.86 and 5,262.65

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Solution

The fourth proportional to 13,156.57, 19,734.86 and 5,262.65 is: 7,893.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,156.57 : 19,734.86 = 5,262.65 : x
  2. Step 2: Convert to fraction form
    13,156.57/19,734.86 = 5,262.65/x
  3. Step 3: Cross multiply
    13,156.57x = 19,734.86 × 5,262.65
  4. Step 4: Simplify right side
    13,156.57x = 103,857,660.98
  5. Step 5: Solve for x
    x = 103,857,660.98/13,156.57
  6. Step 6: Final answer
    x = 7,893.98

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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.