Home / 10,395.75-15,581.97-4,154.16

Finding the Fourth Proportional to 10,395.75, 15,581.97 and 4,154.16

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Solution

The fourth proportional to 10,395.75, 15,581.97 and 4,154.16 is: 6,226.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,395.75 : 15,581.97 = 4,154.16 : x
  2. Step 2: Convert to fraction form
    10,395.75/15,581.97 = 4,154.16/x
  3. Step 3: Cross multiply
    10,395.75x = 15,581.97 × 4,154.16
  4. Step 4: Simplify right side
    10,395.75x = 64,729,996.50
  5. Step 5: Solve for x
    x = 64,729,996.50/10,395.75
  6. Step 6: Final answer
    x = 6,226.58

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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.