Home / 13,756.30-20,631.13-6,353.64

Finding the Fourth Proportional to 13,756.30, 20,631.13 and 6,353.64

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Solution

The fourth proportional to 13,756.30, 20,631.13 and 6,353.64 is: 9,528.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,756.30 : 20,631.13 = 6,353.64 : x
  2. Step 2: Convert to fraction form
    13,756.30/20,631.13 = 6,353.64/x
  3. Step 3: Cross multiply
    13,756.30x = 20,631.13 × 6,353.64
  4. Step 4: Simplify right side
    13,756.30x = 131,082,756.93
  5. Step 5: Solve for x
    x = 131,082,756.93/13,756.30
  6. Step 6: Final answer
    x = 9,528.93

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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.