Home / 10,867.79-16,301.55-3,076.67

Finding the Fourth Proportional to 10,867.79, 16,301.55 and 3,076.67

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Solution

The fourth proportional to 10,867.79, 16,301.55 and 3,076.67 is: 4,614.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867.79 : 16,301.55 = 3,076.67 : x
  2. Step 2: Convert to fraction form
    10,867.79/16,301.55 = 3,076.67/x
  3. Step 3: Cross multiply
    10,867.79x = 16,301.55 × 3,076.67
  4. Step 4: Simplify right side
    10,867.79x = 50,154,489.84
  5. Step 5: Solve for x
    x = 50,154,489.84/10,867.79
  6. Step 6: Final answer
    x = 4,614.97

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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.