Home / 18,830.45-25,986.32-10,446.95

Finding the Fourth Proportional to 18,830.45, 25,986.32 and 10,446.95

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Solution

The fourth proportional to 18,830.45, 25,986.32 and 10,446.95 is: 14,416.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,830.45 : 25,986.32 = 10,446.95 : x
  2. Step 2: Convert to fraction form
    18,830.45/25,986.32 = 10,446.95/x
  3. Step 3: Cross multiply
    18,830.45x = 25,986.32 × 10,446.95
  4. Step 4: Simplify right side
    18,830.45x = 271,477,603.56
  5. Step 5: Solve for x
    x = 271,477,603.56/18,830.45
  6. Step 6: Final answer
    x = 14,416.95

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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.