Home / 18,823.86-25,977.51-10,440.36

Finding the Fourth Proportional to 18,823.86, 25,977.51 and 10,440.36

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Solution

The fourth proportional to 18,823.86, 25,977.51 and 10,440.36 is: 14,408.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,823.86 : 25,977.51 = 10,440.36 : x
  2. Step 2: Convert to fraction form
    18,823.86/25,977.51 = 10,440.36/x
  3. Step 3: Cross multiply
    18,823.86x = 25,977.51 × 10,440.36
  4. Step 4: Simplify right side
    18,823.86x = 271,214,556.30
  5. Step 5: Solve for x
    x = 271,214,556.30/18,823.86
  6. Step 6: Final answer
    x = 14,408.02

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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.