Home / 14,057.04-21,072.78-6,656.88

Finding the Fourth Proportional to 14,057.04, 21,072.78 and 6,656.88

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Solution

The fourth proportional to 14,057.04, 21,072.78 and 6,656.88 is: 9,979.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,057.04 : 21,072.78 = 6,656.88 : x
  2. Step 2: Convert to fraction form
    14,057.04/21,072.78 = 6,656.88/x
  3. Step 3: Cross multiply
    14,057.04x = 21,072.78 × 6,656.88
  4. Step 4: Simplify right side
    14,057.04x = 140,278,967.73
  5. Step 5: Solve for x
    x = 140,278,967.73/14,057.04
  6. Step 6: Final answer
    x = 9,979.27

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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.