Home / 14,940.82-22,421.42-9,678.25

Finding the Fourth Proportional to 14,940.82, 22,421.42 and 9,678.25

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Solution

The fourth proportional to 14,940.82, 22,421.42 and 9,678.25 is: 14,523.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,940.82 : 22,421.42 = 9,678.25 : x
  2. Step 2: Convert to fraction form
    14,940.82/22,421.42 = 9,678.25/x
  3. Step 3: Cross multiply
    14,940.82x = 22,421.42 × 9,678.25
  4. Step 4: Simplify right side
    14,940.82x = 217,000,108.12
  5. Step 5: Solve for x
    x = 217,000,108.12/14,940.82
  6. Step 6: Final answer
    x = 14,523.98

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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.