Home / 14,978.67-22,438.85-9,768.75

Finding the Fourth Proportional to 14,978.67, 22,438.85 and 9,768.75

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Solution

The fourth proportional to 14,978.67, 22,438.85 and 9,768.75 is: 14,634.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,978.67 : 22,438.85 = 9,768.75 : x
  2. Step 2: Convert to fraction form
    14,978.67/22,438.85 = 9,768.75/x
  3. Step 3: Cross multiply
    14,978.67x = 22,438.85 × 9,768.75
  4. Step 4: Simplify right side
    14,978.67x = 219,199,467.09
  5. Step 5: Solve for x
    x = 219,199,467.09/14,978.67
  6. Step 6: Final answer
    x = 14,634.11

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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.