Home / 13,271.34-19,907.10-6,324.78

Finding the Fourth Proportional to 13,271.34, 19,907.10 and 6,324.78

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Solution

The fourth proportional to 13,271.34, 19,907.10 and 6,324.78 is: 9,487.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,271.34 : 19,907.10 = 6,324.78 : x
  2. Step 2: Convert to fraction form
    13,271.34/19,907.10 = 6,324.78/x
  3. Step 3: Cross multiply
    13,271.34x = 19,907.10 × 6,324.78
  4. Step 4: Simplify right side
    13,271.34x = 125,908,027.94
  5. Step 5: Solve for x
    x = 125,908,027.94/13,271.34
  6. Step 6: Final answer
    x = 9,487.21

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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.