Home / 14,020.07-20,999.96-6,613.43

Finding the Fourth Proportional to 14,020.07, 20,999.96 and 6,613.43

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Solution

The fourth proportional to 14,020.07, 20,999.96 and 6,613.43 is: 9,905.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020.07 : 20,999.96 = 6,613.43 : x
  2. Step 2: Convert to fraction form
    14,020.07/20,999.96 = 6,613.43/x
  3. Step 3: Cross multiply
    14,020.07x = 20,999.96 × 6,613.43
  4. Step 4: Simplify right side
    14,020.07x = 138,881,732.40
  5. Step 5: Solve for x
    x = 138,881,732.40/14,020.07
  6. Step 6: Final answer
    x = 9,905.92

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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.