Home / 14,131.10-21,200.34-7,551.92

Finding the Fourth Proportional to 14,131.10, 21,200.34 and 7,551.92

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Solution

The fourth proportional to 14,131.10, 21,200.34 and 7,551.92 is: 11,329.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,131.10 : 21,200.34 = 7,551.92 : x
  2. Step 2: Convert to fraction form
    14,131.10/21,200.34 = 7,551.92/x
  3. Step 3: Cross multiply
    14,131.10x = 21,200.34 × 7,551.92
  4. Step 4: Simplify right side
    14,131.10x = 160,103,271.65
  5. Step 5: Solve for x
    x = 160,103,271.65/14,131.10
  6. Step 6: Final answer
    x = 11,329.85

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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.