Home / 14,409.04-21,613.96-4,020.78

Finding the Fourth Proportional to 14,409.04, 21,613.96 and 4,020.78

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Solution

The fourth proportional to 14,409.04, 21,613.96 and 4,020.78 is: 6,031.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,409.04 : 21,613.96 = 4,020.78 : x
  2. Step 2: Convert to fraction form
    14,409.04/21,613.96 = 4,020.78/x
  3. Step 3: Cross multiply
    14,409.04x = 21,613.96 × 4,020.78
  4. Step 4: Simplify right side
    14,409.04x = 86,904,978.09
  5. Step 5: Solve for x
    x = 86,904,978.09/14,409.04
  6. Step 6: Final answer
    x = 6,031.28

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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.