Home / 10,667.03-15,993.70-4,431.35

Finding the Fourth Proportional to 10,667.03, 15,993.70 and 4,431.35

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Solution

The fourth proportional to 10,667.03, 15,993.70 and 4,431.35 is: 6,644.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,667.03 : 15,993.70 = 4,431.35 : x
  2. Step 2: Convert to fraction form
    10,667.03/15,993.70 = 4,431.35/x
  3. Step 3: Cross multiply
    10,667.03x = 15,993.70 × 4,431.35
  4. Step 4: Simplify right side
    10,667.03x = 70,873,711.40
  5. Step 5: Solve for x
    x = 70,873,711.40/10,667.03
  6. Step 6: Final answer
    x = 6,644.18

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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.