Home / 10,134.17-15,190.92-5,742.35

Finding the Fourth Proportional to 10,134.17, 15,190.92 and 5,742.35

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Solution

The fourth proportional to 10,134.17, 15,190.92 and 5,742.35 is: 8,607.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,134.17 : 15,190.92 = 5,742.35 : x
  2. Step 2: Convert to fraction form
    10,134.17/15,190.92 = 5,742.35/x
  3. Step 3: Cross multiply
    10,134.17x = 15,190.92 × 5,742.35
  4. Step 4: Simplify right side
    10,134.17x = 87,231,579.46
  5. Step 5: Solve for x
    x = 87,231,579.46/10,134.17
  6. Step 6: Final answer
    x = 8,607.67

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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.