Home / 14,642.39-21,948.10-4,779.02

Finding the Fourth Proportional to 14,642.39, 21,948.10 and 4,779.02

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Solution

The fourth proportional to 14,642.39, 21,948.10 and 4,779.02 is: 7,163.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,642.39 : 21,948.10 = 4,779.02 : x
  2. Step 2: Convert to fraction form
    14,642.39/21,948.10 = 4,779.02/x
  3. Step 3: Cross multiply
    14,642.39x = 21,948.10 × 4,779.02
  4. Step 4: Simplify right side
    14,642.39x = 104,890,451.78
  5. Step 5: Solve for x
    x = 104,890,451.78/14,642.39
  6. Step 6: Final answer
    x = 7,163.48

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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.