Home / 18,822.24-25,973.52-10,438.56

Finding the Fourth Proportional to 18,822.24, 25,973.52 and 10,438.56

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Solution

The fourth proportional to 18,822.24, 25,973.52 and 10,438.56 is: 14,404.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,822.24 : 25,973.52 = 10,438.56 : x
  2. Step 2: Convert to fraction form
    18,822.24/25,973.52 = 10,438.56/x
  3. Step 3: Cross multiply
    18,822.24x = 25,973.52 × 10,438.56
  4. Step 4: Simplify right side
    18,822.24x = 271,126,146.93
  5. Step 5: Solve for x
    x = 271,126,146.93/18,822.24
  6. Step 6: Final answer
    x = 14,404.56

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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.