Home / 14,074.90-19,422.79-8,412.77

Finding the Fourth Proportional to 14,074.90, 19,422.79 and 8,412.77

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Solution

The fourth proportional to 14,074.90, 19,422.79 and 8,412.77 is: 11,609.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,074.90 : 19,422.79 = 8,412.77 : x
  2. Step 2: Convert to fraction form
    14,074.90/19,422.79 = 8,412.77/x
  3. Step 3: Cross multiply
    14,074.90x = 19,422.79 × 8,412.77
  4. Step 4: Simplify right side
    14,074.90x = 163,399,461.59
  5. Step 5: Solve for x
    x = 163,399,461.59/14,074.90
  6. Step 6: Final answer
    x = 11,609.28

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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.