Home / 18,948.45-26,149.03-10,450.90

Finding the Fourth Proportional to 18,948.45, 26,149.03 and 10,450.90

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Solution

The fourth proportional to 18,948.45, 26,149.03 and 10,450.90 is: 14,422.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,948.45 : 26,149.03 = 10,450.90 : x
  2. Step 2: Convert to fraction form
    18,948.45/26,149.03 = 10,450.90/x
  3. Step 3: Cross multiply
    18,948.45x = 26,149.03 × 10,450.90
  4. Step 4: Simplify right side
    18,948.45x = 273,280,897.63
  5. Step 5: Solve for x
    x = 273,280,897.63/18,948.45
  6. Step 6: Final answer
    x = 14,422.34

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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.