Home / 14,779.84-22,104.96-12,861.76

Finding the Fourth Proportional to 14,779.84, 22,104.96 and 12,861.76

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Solution

The fourth proportional to 14,779.84, 22,104.96 and 12,861.76 is: 19,236.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,779.84 : 22,104.96 = 12,861.76 : x
  2. Step 2: Convert to fraction form
    14,779.84/22,104.96 = 12,861.76/x
  3. Step 3: Cross multiply
    14,779.84x = 22,104.96 × 12,861.76
  4. Step 4: Simplify right side
    14,779.84x = 284,308,690.33
  5. Step 5: Solve for x
    x = 284,308,690.33/14,779.84
  6. Step 6: Final answer
    x = 19,236.25

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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.