Home / 14,127.57-21,176.57-4,764.36

Finding the Fourth Proportional to 14,127.57, 21,176.57 and 4,764.36

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Solution

The fourth proportional to 14,127.57, 21,176.57 and 4,764.36 is: 7,141.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127.57 : 21,176.57 = 4,764.36 : x
  2. Step 2: Convert to fraction form
    14,127.57/21,176.57 = 4,764.36/x
  3. Step 3: Cross multiply
    14,127.57x = 21,176.57 × 4,764.36
  4. Step 4: Simplify right side
    14,127.57x = 100,892,779.22
  5. Step 5: Solve for x
    x = 100,892,779.22/14,127.57
  6. Step 6: Final answer
    x = 7,141.55

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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.