Home / 14,659.21-21,994.35-8,819.92

Finding the Fourth Proportional to 14,659.21, 21,994.35 and 8,819.92

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Solution

The fourth proportional to 14,659.21, 21,994.35 and 8,819.92 is: 13,233.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,659.21 : 21,994.35 = 8,819.92 : x
  2. Step 2: Convert to fraction form
    14,659.21/21,994.35 = 8,819.92/x
  3. Step 3: Cross multiply
    14,659.21x = 21,994.35 × 8,819.92
  4. Step 4: Simplify right side
    14,659.21x = 193,988,407.45
  5. Step 5: Solve for x
    x = 193,988,407.45/14,659.21
  6. Step 6: Final answer
    x = 13,233.21

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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.