Home / 19,179.38-26,467.50-11,220.05

Finding the Fourth Proportional to 19,179.38, 26,467.50 and 11,220.05

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Solution

The fourth proportional to 19,179.38, 26,467.50 and 11,220.05 is: 15,483.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,179.38 : 26,467.50 = 11,220.05 : x
  2. Step 2: Convert to fraction form
    19,179.38/26,467.50 = 11,220.05/x
  3. Step 3: Cross multiply
    19,179.38x = 26,467.50 × 11,220.05
  4. Step 4: Simplify right side
    19,179.38x = 296,966,673.38
  5. Step 5: Solve for x
    x = 296,966,673.38/19,179.38
  6. Step 6: Final answer
    x = 15,483.64

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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.