Home / 14,405.09-21,613.37-7,008.71

Finding the Fourth Proportional to 14,405.09, 21,613.37 and 7,008.71

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Solution

The fourth proportional to 14,405.09, 21,613.37 and 7,008.71 is: 10,515.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,405.09 : 21,613.37 = 7,008.71 : x
  2. Step 2: Convert to fraction form
    14,405.09/21,613.37 = 7,008.71/x
  3. Step 3: Cross multiply
    14,405.09x = 21,613.37 × 7,008.71
  4. Step 4: Simplify right side
    14,405.09x = 151,481,699.34
  5. Step 5: Solve for x
    x = 151,481,699.34/14,405.09
  6. Step 6: Final answer
    x = 10,515.85

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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.