Home / 10,441.36-15,659.88-3,867.40

Finding the Fourth Proportional to 10,441.36, 15,659.88 and 3,867.40

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Solution

The fourth proportional to 10,441.36, 15,659.88 and 3,867.40 is: 5,800.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,441.36 : 15,659.88 = 3,867.40 : x
  2. Step 2: Convert to fraction form
    10,441.36/15,659.88 = 3,867.40/x
  3. Step 3: Cross multiply
    10,441.36x = 15,659.88 × 3,867.40
  4. Step 4: Simplify right side
    10,441.36x = 60,563,019.91
  5. Step 5: Solve for x
    x = 60,563,019.91/10,441.36
  6. Step 6: Final answer
    x = 5,800.30

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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.