Home / 9,842.20-13,581.84-5,365.86

Finding the Fourth Proportional to 9,842.20, 13,581.84 and 5,365.86

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Solution

The fourth proportional to 9,842.20, 13,581.84 and 5,365.86 is: 7,404.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,842.20 : 13,581.84 = 5,365.86 : x
  2. Step 2: Convert to fraction form
    9,842.20/13,581.84 = 5,365.86/x
  3. Step 3: Cross multiply
    9,842.20x = 13,581.84 × 5,365.86
  4. Step 4: Simplify right side
    9,842.20x = 72,878,251.98
  5. Step 5: Solve for x
    x = 72,878,251.98/9,842.20
  6. Step 6: Final answer
    x = 7,404.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.