Home / 10,667.65-15,994.62-4,431.97

Finding the Fourth Proportional to 10,667.65, 15,994.62 and 4,431.97

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Solution

The fourth proportional to 10,667.65, 15,994.62 and 4,431.97 is: 6,645.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,667.65 : 15,994.62 = 4,431.97 : x
  2. Step 2: Convert to fraction form
    10,667.65/15,994.62 = 4,431.97/x
  3. Step 3: Cross multiply
    10,667.65x = 15,994.62 × 4,431.97
  4. Step 4: Simplify right side
    10,667.65x = 70,887,596.03
  5. Step 5: Solve for x
    x = 70,887,596.03/10,667.65
  6. Step 6: Final answer
    x = 6,645.10

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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.