Home / 9,942.93-13,719.24-5,909.67

Finding the Fourth Proportional to 9,942.93, 13,719.24 and 5,909.67

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Solution

The fourth proportional to 9,942.93, 13,719.24 and 5,909.67 is: 8,154.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,942.93 : 13,719.24 = 5,909.67 : x
  2. Step 2: Convert to fraction form
    9,942.93/13,719.24 = 5,909.67/x
  3. Step 3: Cross multiply
    9,942.93x = 13,719.24 × 5,909.67
  4. Step 4: Simplify right side
    9,942.93x = 81,076,181.05
  5. Step 5: Solve for x
    x = 81,076,181.05/9,942.93
  6. Step 6: Final answer
    x = 8,154.15

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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.