Home / 18,256.86-25,195.14-10,299.42

Finding the Fourth Proportional to 18,256.86, 25,195.14 and 10,299.42

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Solution

The fourth proportional to 18,256.86, 25,195.14 and 10,299.42 is: 14,213.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,256.86 : 25,195.14 = 10,299.42 : x
  2. Step 2: Convert to fraction form
    18,256.86/25,195.14 = 10,299.42/x
  3. Step 3: Cross multiply
    18,256.86x = 25,195.14 × 10,299.42
  4. Step 4: Simplify right side
    18,256.86x = 259,495,328.82
  5. Step 5: Solve for x
    x = 259,495,328.82/18,256.86
  6. Step 6: Final answer
    x = 14,213.58

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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.