Home / 13,654.29-20,474.59-6,629.91

Finding the Fourth Proportional to 13,654.29, 20,474.59 and 6,629.91

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Solution

The fourth proportional to 13,654.29, 20,474.59 and 6,629.91 is: 9,941.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,654.29 : 20,474.59 = 6,629.91 : x
  2. Step 2: Convert to fraction form
    13,654.29/20,474.59 = 6,629.91/x
  3. Step 3: Cross multiply
    13,654.29x = 20,474.59 × 6,629.91
  4. Step 4: Simplify right side
    13,654.29x = 135,744,688.99
  5. Step 5: Solve for x
    x = 135,744,688.99/13,654.29
  6. Step 6: Final answer
    x = 9,941.54

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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.