Home / 13,441.68-20,156.40-5,646.24

Finding the Fourth Proportional to 13,441.68, 20,156.40 and 5,646.24

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Solution

The fourth proportional to 13,441.68, 20,156.40 and 5,646.24 is: 8,466.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441.68 : 20,156.40 = 5,646.24 : x
  2. Step 2: Convert to fraction form
    13,441.68/20,156.40 = 5,646.24/x
  3. Step 3: Cross multiply
    13,441.68x = 20,156.40 × 5,646.24
  4. Step 4: Simplify right side
    13,441.68x = 113,807,871.94
  5. Step 5: Solve for x
    x = 113,807,871.94/13,441.68
  6. Step 6: Final answer
    x = 8,466.79

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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.