Home / 18,830.36-25,985.76-10,446.86

Finding the Fourth Proportional to 18,830.36, 25,985.76 and 10,446.86

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Solution

The fourth proportional to 18,830.36, 25,985.76 and 10,446.86 is: 14,416.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,830.36 : 25,985.76 = 10,446.86 : x
  2. Step 2: Convert to fraction form
    18,830.36/25,985.76 = 10,446.86/x
  3. Step 3: Cross multiply
    18,830.36x = 25,985.76 × 10,446.86
  4. Step 4: Simplify right side
    18,830.36x = 271,469,466.78
  5. Step 5: Solve for x
    x = 271,469,466.78/18,830.36
  6. Step 6: Final answer
    x = 14,416.59

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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.