Home / 10,379.28-15,567.84-4,141.92

Finding the Fourth Proportional to 10,379.28, 15,567.84 and 4,141.92

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Solution

The fourth proportional to 10,379.28, 15,567.84 and 4,141.92 is: 6,212.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,379.28 : 15,567.84 = 4,141.92 : x
  2. Step 2: Convert to fraction form
    10,379.28/15,567.84 = 4,141.92/x
  3. Step 3: Cross multiply
    10,379.28x = 15,567.84 × 4,141.92
  4. Step 4: Simplify right side
    10,379.28x = 64,480,747.85
  5. Step 5: Solve for x
    x = 64,480,747.85/10,379.28
  6. Step 6: Final answer
    x = 6,212.45

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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.