Home / 12,471.06-18,615.35-10,994.88

Finding the Fourth Proportional to 12,471.06, 18,615.35 and 10,994.88

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Solution

The fourth proportional to 12,471.06, 18,615.35 and 10,994.88 is: 16,411.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,471.06 : 18,615.35 = 10,994.88 : x
  2. Step 2: Convert to fraction form
    12,471.06/18,615.35 = 10,994.88/x
  3. Step 3: Cross multiply
    12,471.06x = 18,615.35 × 10,994.88
  4. Step 4: Simplify right side
    12,471.06x = 204,673,484.43
  5. Step 5: Solve for x
    x = 204,673,484.43/12,471.06
  6. Step 6: Final answer
    x = 16,411.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.