Home / 19,770.54-27,283.05-10,818.42

Finding the Fourth Proportional to 19,770.54, 27,283.05 and 10,818.42

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Solution

The fourth proportional to 19,770.54, 27,283.05 and 10,818.42 is: 14,929.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,770.54 : 27,283.05 = 10,818.42 : x
  2. Step 2: Convert to fraction form
    19,770.54/27,283.05 = 10,818.42/x
  3. Step 3: Cross multiply
    19,770.54x = 27,283.05 × 10,818.42
  4. Step 4: Simplify right side
    19,770.54x = 295,159,493.78
  5. Step 5: Solve for x
    x = 295,159,493.78/19,770.54
  6. Step 6: Final answer
    x = 14,929.26

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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.