Home / 14,186.08-21,278.32-6,286.32

Finding the Fourth Proportional to 14,186.08, 21,278.32 and 6,286.32

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Solution

The fourth proportional to 14,186.08, 21,278.32 and 6,286.32 is: 9,429.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,186.08 : 21,278.32 = 6,286.32 : x
  2. Step 2: Convert to fraction form
    14,186.08/21,278.32 = 6,286.32/x
  3. Step 3: Cross multiply
    14,186.08x = 21,278.32 × 6,286.32
  4. Step 4: Simplify right side
    14,186.08x = 133,762,328.58
  5. Step 5: Solve for x
    x = 133,762,328.58/14,186.08
  6. Step 6: Final answer
    x = 9,429.13

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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.