Home / 14,739.78-20,354.41-9,363.95

Finding the Fourth Proportional to 14,739.78, 20,354.41 and 9,363.95

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Solution

The fourth proportional to 14,739.78, 20,354.41 and 9,363.95 is: 12,930.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,739.78 : 20,354.41 = 9,363.95 : x
  2. Step 2: Convert to fraction form
    14,739.78/20,354.41 = 9,363.95/x
  3. Step 3: Cross multiply
    14,739.78x = 20,354.41 × 9,363.95
  4. Step 4: Simplify right side
    14,739.78x = 190,597,677.52
  5. Step 5: Solve for x
    x = 190,597,677.52/14,739.78
  6. Step 6: Final answer
    x = 12,930.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.