Home / 18,974.08-28,461.66-15,258.61

Finding the Fourth Proportional to 18,974.08, 28,461.66 and 15,258.61

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Solution

The fourth proportional to 18,974.08, 28,461.66 and 15,258.61 is: 22,888.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,974.08 : 28,461.66 = 15,258.61 : x
  2. Step 2: Convert to fraction form
    18,974.08/28,461.66 = 15,258.61/x
  3. Step 3: Cross multiply
    18,974.08x = 28,461.66 × 15,258.61
  4. Step 4: Simplify right side
    18,974.08x = 434,285,369.89
  5. Step 5: Solve for x
    x = 434,285,369.89/18,974.08
  6. Step 6: Final answer
    x = 22,888.35

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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.