Home / 18,763.49-28,177.43-16,659.87

Finding the Fourth Proportional to 18,763.49, 28,177.43 and 16,659.87

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Solution

The fourth proportional to 18,763.49, 28,177.43 and 16,659.87 is: 25,018.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,763.49 : 28,177.43 = 16,659.87 : x
  2. Step 2: Convert to fraction form
    18,763.49/28,177.43 = 16,659.87/x
  3. Step 3: Cross multiply
    18,763.49x = 28,177.43 × 16,659.87
  4. Step 4: Simplify right side
    18,763.49x = 469,432,362.38
  5. Step 5: Solve for x
    x = 469,432,362.38/18,763.49
  6. Step 6: Final answer
    x = 25,018.39

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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.