Home / 14,486.02-19,991.82-8,199.34

Finding the Fourth Proportional to 14,486.02, 19,991.82 and 8,199.34

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Solution

The fourth proportional to 14,486.02, 19,991.82 and 8,199.34 is: 11,315.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,486.02 : 19,991.82 = 8,199.34 : x
  2. Step 2: Convert to fraction form
    14,486.02/19,991.82 = 8,199.34/x
  3. Step 3: Cross multiply
    14,486.02x = 19,991.82 × 8,199.34
  4. Step 4: Simplify right side
    14,486.02x = 163,919,729.40
  5. Step 5: Solve for x
    x = 163,919,729.40/14,486.02
  6. Step 6: Final answer
    x = 11,315.72

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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.