Home / 14,146.63-21,226.10-5,384.05

Finding the Fourth Proportional to 14,146.63, 21,226.10 and 5,384.05

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Solution

The fourth proportional to 14,146.63, 21,226.10 and 5,384.05 is: 8,078.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,146.63 : 21,226.10 = 5,384.05 : x
  2. Step 2: Convert to fraction form
    14,146.63/21,226.10 = 5,384.05/x
  3. Step 3: Cross multiply
    14,146.63x = 21,226.10 × 5,384.05
  4. Step 4: Simplify right side
    14,146.63x = 114,282,383.71
  5. Step 5: Solve for x
    x = 114,282,383.71/14,146.63
  6. Step 6: Final answer
    x = 8,078.42

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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.