Home / 14,961.58-22,414.34-13,421.11

Finding the Fourth Proportional to 14,961.58, 22,414.34 and 13,421.11

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Solution

The fourth proportional to 14,961.58, 22,414.34 and 13,421.11 is: 20,106.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,961.58 : 22,414.34 = 13,421.11 : x
  2. Step 2: Convert to fraction form
    14,961.58/22,414.34 = 13,421.11/x
  3. Step 3: Cross multiply
    14,961.58x = 22,414.34 × 13,421.11
  4. Step 4: Simplify right side
    14,961.58x = 300,825,266.77
  5. Step 5: Solve for x
    x = 300,825,266.77/14,961.58
  6. Step 6: Final answer
    x = 20,106.52

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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.