Home / 18,829.16-25,981.68-11,273.76

Finding the Fourth Proportional to 18,829.16, 25,981.68 and 11,273.76

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Solution

The fourth proportional to 18,829.16, 25,981.68 and 11,273.76 is: 15,556.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,829.16 : 25,981.68 = 11,273.76 : x
  2. Step 2: Convert to fraction form
    18,829.16/25,981.68 = 11,273.76/x
  3. Step 3: Cross multiply
    18,829.16x = 25,981.68 × 11,273.76
  4. Step 4: Simplify right side
    18,829.16x = 292,911,224.72
  5. Step 5: Solve for x
    x = 292,911,224.72/18,829.16
  6. Step 6: Final answer
    x = 15,556.26

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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.