Home / 14,642.96-21,966.54-4,779.80

Finding the Fourth Proportional to 14,642.96, 21,966.54 and 4,779.80

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Solution

The fourth proportional to 14,642.96, 21,966.54 and 4,779.80 is: 7,170.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,642.96 : 21,966.54 = 4,779.80 : x
  2. Step 2: Convert to fraction form
    14,642.96/21,966.54 = 4,779.80/x
  3. Step 3: Cross multiply
    14,642.96x = 21,966.54 × 4,779.80
  4. Step 4: Simplify right side
    14,642.96x = 104,995,667.89
  5. Step 5: Solve for x
    x = 104,995,667.89/14,642.96
  6. Step 6: Final answer
    x = 7,170.39

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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.