Home / 12,165.68-18,251.40-6,320.96

Finding the Fourth Proportional to 12,165.68, 18,251.40 and 6,320.96

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Solution

The fourth proportional to 12,165.68, 18,251.40 and 6,320.96 is: 9,482.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,165.68 : 18,251.40 = 6,320.96 : x
  2. Step 2: Convert to fraction form
    12,165.68/18,251.40 = 6,320.96/x
  3. Step 3: Cross multiply
    12,165.68x = 18,251.40 × 6,320.96
  4. Step 4: Simplify right side
    12,165.68x = 115,366,369.34
  5. Step 5: Solve for x
    x = 115,366,369.34/12,165.68
  6. Step 6: Final answer
    x = 9,482.94

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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.