Home / 13,394.11-18,484.92-7,426.95

Finding the Fourth Proportional to 13,394.11, 18,484.92 and 7,426.95

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Solution

The fourth proportional to 13,394.11, 18,484.92 and 7,426.95 is: 10,249.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,394.11 : 18,484.92 = 7,426.95 : x
  2. Step 2: Convert to fraction form
    13,394.11/18,484.92 = 7,426.95/x
  3. Step 3: Cross multiply
    13,394.11x = 18,484.92 × 7,426.95
  4. Step 4: Simplify right side
    13,394.11x = 137,286,576.59
  5. Step 5: Solve for x
    x = 137,286,576.59/13,394.11
  6. Step 6: Final answer
    x = 10,249.77

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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.