Home / 19,198.84-26,484.30-13,220.14

Finding the Fourth Proportional to 19,198.84, 26,484.30 and 13,220.14

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Solution

The fourth proportional to 19,198.84, 26,484.30 and 13,220.14 is: 18,236.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,198.84 : 26,484.30 = 13,220.14 : x
  2. Step 2: Convert to fraction form
    19,198.84/26,484.30 = 13,220.14/x
  3. Step 3: Cross multiply
    19,198.84x = 26,484.30 × 13,220.14
  4. Step 4: Simplify right side
    19,198.84x = 350,126,153.80
  5. Step 5: Solve for x
    x = 350,126,153.80/19,198.84
  6. Step 6: Final answer
    x = 18,236.84

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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.