Home / 14,407.20-21,609.36-4,020.48

Finding the Fourth Proportional to 14,407.20, 21,609.36 and 4,020.48

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Solution

The fourth proportional to 14,407.20, 21,609.36 and 4,020.48 is: 6,030.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,407.20 : 21,609.36 = 4,020.48 : x
  2. Step 2: Convert to fraction form
    14,407.20/21,609.36 = 4,020.48/x
  3. Step 3: Cross multiply
    14,407.20x = 21,609.36 × 4,020.48
  4. Step 4: Simplify right side
    14,407.20x = 86,879,999.69
  5. Step 5: Solve for x
    x = 86,879,999.69/14,407.20
  6. Step 6: Final answer
    x = 6,030.32

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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.