Home / 10,359.38-15,538.86-3,783.80

Finding the Fourth Proportional to 10,359.38, 15,538.86 and 3,783.80

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Solution

The fourth proportional to 10,359.38, 15,538.86 and 3,783.80 is: 5,675.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,359.38 : 15,538.86 = 3,783.80 : x
  2. Step 2: Convert to fraction form
    10,359.38/15,538.86 = 3,783.80/x
  3. Step 3: Cross multiply
    10,359.38x = 15,538.86 × 3,783.80
  4. Step 4: Simplify right side
    10,359.38x = 58,795,860.77
  5. Step 5: Solve for x
    x = 58,795,860.77/10,359.38
  6. Step 6: Final answer
    x = 5,675.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.