Home / 10,339.96-15,509.76-2,944.48

Finding the Fourth Proportional to 10,339.96, 15,509.76 and 2,944.48

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Solution

The fourth proportional to 10,339.96, 15,509.76 and 2,944.48 is: 4,416.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,339.96 : 15,509.76 = 2,944.48 : x
  2. Step 2: Convert to fraction form
    10,339.96/15,509.76 = 2,944.48/x
  3. Step 3: Cross multiply
    10,339.96x = 15,509.76 × 2,944.48
  4. Step 4: Simplify right side
    10,339.96x = 45,668,178.12
  5. Step 5: Solve for x
    x = 45,668,178.12/10,339.96
  6. Step 6: Final answer
    x = 4,416.67

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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.