Home / 9,319.86-13,993.56-6,219.18

Finding the Fourth Proportional to 9,319.86, 13,993.56 and 6,219.18

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Solution

The fourth proportional to 9,319.86, 13,993.56 and 6,219.18 is: 9,337.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319.86 : 13,993.56 = 6,219.18 : x
  2. Step 2: Convert to fraction form
    9,319.86/13,993.56 = 6,219.18/x
  3. Step 3: Cross multiply
    9,319.86x = 13,993.56 × 6,219.18
  4. Step 4: Simplify right side
    9,319.86x = 87,028,468.48
  5. Step 5: Solve for x
    x = 87,028,468.48/9,319.86
  6. Step 6: Final answer
    x = 9,337.96

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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.