Home / 13,304.21-18,359.93-7,336.09

Finding the Fourth Proportional to 13,304.21, 18,359.93 and 7,336.09

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Solution

The fourth proportional to 13,304.21, 18,359.93 and 7,336.09 is: 10,123.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,304.21 : 18,359.93 = 7,336.09 : x
  2. Step 2: Convert to fraction form
    13,304.21/18,359.93 = 7,336.09/x
  3. Step 3: Cross multiply
    13,304.21x = 18,359.93 × 7,336.09
  4. Step 4: Simplify right side
    13,304.21x = 134,690,098.87
  5. Step 5: Solve for x
    x = 134,690,098.87/13,304.21
  6. Step 6: Final answer
    x = 10,123.87

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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.