Home / 18,944.34-26,143.40-10,446.49

Finding the Fourth Proportional to 18,944.34, 26,143.40 and 10,446.49

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Solution

The fourth proportional to 18,944.34, 26,143.40 and 10,446.49 is: 14,416.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,944.34 : 26,143.40 = 10,446.49 : x
  2. Step 2: Convert to fraction form
    18,944.34/26,143.40 = 10,446.49/x
  3. Step 3: Cross multiply
    18,944.34x = 26,143.40 × 10,446.49
  4. Step 4: Simplify right side
    18,944.34x = 273,106,766.67
  5. Step 5: Solve for x
    x = 273,106,766.67/18,944.34
  6. Step 6: Final answer
    x = 14,416.27

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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.