Home / 10,339.72-15,509.58-3,765.96

Finding the Fourth Proportional to 10,339.72, 15,509.58 and 3,765.96

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Solution

The fourth proportional to 10,339.72, 15,509.58 and 3,765.96 is: 5,648.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,339.72 : 15,509.58 = 3,765.96 : x
  2. Step 2: Convert to fraction form
    10,339.72/15,509.58 = 3,765.96/x
  3. Step 3: Cross multiply
    10,339.72x = 15,509.58 × 3,765.96
  4. Step 4: Simplify right side
    10,339.72x = 58,408,443.77
  5. Step 5: Solve for x
    x = 58,408,443.77/10,339.72
  6. Step 6: Final answer
    x = 5,648.94

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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.