Home / 18,798.72-25,940.86-10,299.48

Finding the Fourth Proportional to 18,798.72, 25,940.86 and 10,299.48

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Solution

The fourth proportional to 18,798.72, 25,940.86 and 10,299.48 is: 14,212.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,798.72 : 25,940.86 = 10,299.48 : x
  2. Step 2: Convert to fraction form
    18,798.72/25,940.86 = 10,299.48/x
  3. Step 3: Cross multiply
    18,798.72x = 25,940.86 × 10,299.48
  4. Step 4: Simplify right side
    18,798.72x = 267,177,368.75
  5. Step 5: Solve for x
    x = 267,177,368.75/18,798.72
  6. Step 6: Final answer
    x = 14,212.53

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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.