Home / 14,759.10-22,138.65-13,779.90

Finding the Fourth Proportional to 14,759.10, 22,138.65 and 13,779.90

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Solution

The fourth proportional to 14,759.10, 22,138.65 and 13,779.90 is: 20,669.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,759.10 : 22,138.65 = 13,779.90 : x
  2. Step 2: Convert to fraction form
    14,759.10/22,138.65 = 13,779.90/x
  3. Step 3: Cross multiply
    14,759.10x = 22,138.65 × 13,779.90
  4. Step 4: Simplify right side
    14,759.10x = 305,068,383.14
  5. Step 5: Solve for x
    x = 305,068,383.14/14,759.10
  6. Step 6: Final answer
    x = 20,669.85

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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.