Home / 19,771.07-27,283.83-10,818.47

Finding the Fourth Proportional to 19,771.07, 27,283.83 and 10,818.47

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Solution

The fourth proportional to 19,771.07, 27,283.83 and 10,818.47 is: 14,929.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,771.07 : 27,283.83 = 10,818.47 : x
  2. Step 2: Convert to fraction form
    19,771.07/27,283.83 = 10,818.47/x
  3. Step 3: Cross multiply
    19,771.07x = 27,283.83 × 10,818.47
  4. Step 4: Simplify right side
    19,771.07x = 295,169,296.34
  5. Step 5: Solve for x
    x = 295,169,296.34/19,771.07
  6. Step 6: Final answer
    x = 14,929.36

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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.