Home / 10,436.57-15,652.05-2,939.67

Finding the Fourth Proportional to 10,436.57, 15,652.05 and 2,939.67

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Solution

The fourth proportional to 10,436.57, 15,652.05 and 2,939.67 is: 4,408.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,436.57 : 15,652.05 = 2,939.67 : x
  2. Step 2: Convert to fraction form
    10,436.57/15,652.05 = 2,939.67/x
  3. Step 3: Cross multiply
    10,436.57x = 15,652.05 × 2,939.67
  4. Step 4: Simplify right side
    10,436.57x = 46,011,861.82
  5. Step 5: Solve for x
    x = 46,011,861.82/10,436.57
  6. Step 6: Final answer
    x = 4,408.72

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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.