Home / 14,486.12-19,994.78-8,519.72

Finding the Fourth Proportional to 14,486.12, 19,994.78 and 8,519.72

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Solution

The fourth proportional to 14,486.12, 19,994.78 and 8,519.72 is: 11,759.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,486.12 : 19,994.78 = 8,519.72 : x
  2. Step 2: Convert to fraction form
    14,486.12/19,994.78 = 8,519.72/x
  3. Step 3: Cross multiply
    14,486.12x = 19,994.78 × 8,519.72
  4. Step 4: Simplify right side
    14,486.12x = 170,349,927.06
  5. Step 5: Solve for x
    x = 170,349,927.06/14,486.12
  6. Step 6: Final answer
    x = 11,759.53

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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.