Home / 10,208.21-15,305.10-4,653.90

Finding the Fourth Proportional to 10,208.21, 15,305.10 and 4,653.90

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Solution

The fourth proportional to 10,208.21, 15,305.10 and 4,653.90 is: 6,977.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,208.21 : 15,305.10 = 4,653.90 : x
  2. Step 2: Convert to fraction form
    10,208.21/15,305.10 = 4,653.90/x
  3. Step 3: Cross multiply
    10,208.21x = 15,305.10 × 4,653.90
  4. Step 4: Simplify right side
    10,208.21x = 71,228,404.89
  5. Step 5: Solve for x
    x = 71,228,404.89/10,208.21
  6. Step 6: Final answer
    x = 6,977.56

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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.