Home / 18,854.72-26,021.60-10,899.52

Finding the Fourth Proportional to 18,854.72, 26,021.60 and 10,899.52

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Solution

The fourth proportional to 18,854.72, 26,021.60 and 10,899.52 is: 15,042.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,854.72 : 26,021.60 = 10,899.52 : x
  2. Step 2: Convert to fraction form
    18,854.72/26,021.60 = 10,899.52/x
  3. Step 3: Cross multiply
    18,854.72x = 26,021.60 × 10,899.52
  4. Step 4: Simplify right side
    18,854.72x = 283,622,949.63
  5. Step 5: Solve for x
    x = 283,622,949.63/18,854.72
  6. Step 6: Final answer
    x = 15,042.54

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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.