Home / 14,422.74-19,907.55-8,454.66

Finding the Fourth Proportional to 14,422.74, 19,907.55 and 8,454.66

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Solution

The fourth proportional to 14,422.74, 19,907.55 and 8,454.66 is: 11,669.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,422.74 : 19,907.55 = 8,454.66 : x
  2. Step 2: Convert to fraction form
    14,422.74/19,907.55 = 8,454.66/x
  3. Step 3: Cross multiply
    14,422.74x = 19,907.55 × 8,454.66
  4. Step 4: Simplify right side
    14,422.74x = 168,311,566.68
  5. Step 5: Solve for x
    x = 168,311,566.68/14,422.74
  6. Step 6: Final answer
    x = 11,669.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.