Home / 13,833.05-20,756.72-6,435.32

Finding the Fourth Proportional to 13,833.05, 20,756.72 and 6,435.32

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Solution

The fourth proportional to 13,833.05, 20,756.72 and 6,435.32 is: 9,656.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,833.05 : 20,756.72 = 6,435.32 : x
  2. Step 2: Convert to fraction form
    13,833.05/20,756.72 = 6,435.32/x
  3. Step 3: Cross multiply
    13,833.05x = 20,756.72 × 6,435.32
  4. Step 4: Simplify right side
    13,833.05x = 133,576,047.66
  5. Step 5: Solve for x
    x = 133,576,047.66/13,833.05
  6. Step 6: Final answer
    x = 9,656.30

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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.