Home / 12,269.81-18,410.13-9,520.37

Finding the Fourth Proportional to 12,269.81, 18,410.13 and 9,520.37

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Solution

The fourth proportional to 12,269.81, 18,410.13 and 9,520.37 is: 14,284.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,269.81 : 18,410.13 = 9,520.37 : x
  2. Step 2: Convert to fraction form
    12,269.81/18,410.13 = 9,520.37/x
  3. Step 3: Cross multiply
    12,269.81x = 18,410.13 × 9,520.37
  4. Step 4: Simplify right side
    12,269.81x = 175,271,249.35
  5. Step 5: Solve for x
    x = 175,271,249.35/12,269.81
  6. Step 6: Final answer
    x = 14,284.76

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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.