Home / 14,329.98-21,471.21-10,149.30

Finding the Fourth Proportional to 14,329.98, 21,471.21 and 10,149.30

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Solution

The fourth proportional to 14,329.98, 21,471.21 and 10,149.30 is: 15,207.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,329.98 : 21,471.21 = 10,149.30 : x
  2. Step 2: Convert to fraction form
    14,329.98/21,471.21 = 10,149.30/x
  3. Step 3: Cross multiply
    14,329.98x = 21,471.21 × 10,149.30
  4. Step 4: Simplify right side
    14,329.98x = 217,917,751.65
  5. Step 5: Solve for x
    x = 217,917,751.65/14,329.98
  6. Step 6: Final answer
    x = 15,207.12

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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.