Home / 19,367.78-29,043.02-5,513.54

Finding the Fourth Proportional to 19,367.78, 29,043.02 and 5,513.54

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Solution

The fourth proportional to 19,367.78, 29,043.02 and 5,513.54 is: 8,267.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,367.78 : 29,043.02 = 5,513.54 : x
  2. Step 2: Convert to fraction form
    19,367.78/29,043.02 = 5,513.54/x
  3. Step 3: Cross multiply
    19,367.78x = 29,043.02 × 5,513.54
  4. Step 4: Simplify right side
    19,367.78x = 160,129,721.06
  5. Step 5: Solve for x
    x = 160,129,721.06/19,367.78
  6. Step 6: Final answer
    x = 8,267.84

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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.