Home / 9,913.05-13,679.01-6,373.62

Finding the Fourth Proportional to 9,913.05, 13,679.01 and 6,373.62

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Solution

The fourth proportional to 9,913.05, 13,679.01 and 6,373.62 is: 8,794.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,913.05 : 13,679.01 = 6,373.62 : x
  2. Step 2: Convert to fraction form
    9,913.05/13,679.01 = 6,373.62/x
  3. Step 3: Cross multiply
    9,913.05x = 13,679.01 × 6,373.62
  4. Step 4: Simplify right side
    9,913.05x = 87,184,811.72
  5. Step 5: Solve for x
    x = 87,184,811.72/9,913.05
  6. Step 6: Final answer
    x = 8,794.95

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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.