Home / 14,512.93-21,779.11-5,278.93

Finding the Fourth Proportional to 14,512.93, 21,779.11 and 5,278.93

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Solution

The fourth proportional to 14,512.93, 21,779.11 and 5,278.93 is: 7,921.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,512.93 : 21,779.11 = 5,278.93 : x
  2. Step 2: Convert to fraction form
    14,512.93/21,779.11 = 5,278.93/x
  3. Step 3: Cross multiply
    14,512.93x = 21,779.11 × 5,278.93
  4. Step 4: Simplify right side
    14,512.93x = 114,970,456.96
  5. Step 5: Solve for x
    x = 114,970,456.96/14,512.93
  6. Step 6: Final answer
    x = 7,921.93

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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.