Home / 14,077.84-21,074.68-8,514.36

Finding the Fourth Proportional to 14,077.84, 21,074.68 and 8,514.36

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Solution

The fourth proportional to 14,077.84, 21,074.68 and 8,514.36 is: 12,746.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,077.84 : 21,074.68 = 8,514.36 : x
  2. Step 2: Convert to fraction form
    14,077.84/21,074.68 = 8,514.36/x
  3. Step 3: Cross multiply
    14,077.84x = 21,074.68 × 8,514.36
  4. Step 4: Simplify right side
    14,077.84x = 179,437,412.40
  5. Step 5: Solve for x
    x = 179,437,412.40/14,077.84
  6. Step 6: Final answer
    x = 12,746.09

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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.