Home / 10,445.12-15,667.66-2,653.94

Finding the Fourth Proportional to 10,445.12, 15,667.66 and 2,653.94

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Solution

The fourth proportional to 10,445.12, 15,667.66 and 2,653.94 is: 3,980.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,445.12 : 15,667.66 = 2,653.94 : x
  2. Step 2: Convert to fraction form
    10,445.12/15,667.66 = 2,653.94/x
  3. Step 3: Cross multiply
    10,445.12x = 15,667.66 × 2,653.94
  4. Step 4: Simplify right side
    10,445.12x = 41,581,029.58
  5. Step 5: Solve for x
    x = 41,581,029.58/10,445.12
  6. Step 6: Final answer
    x = 3,980.90

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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.