Home / 14,012.94-21,008.88-6,613.19

Finding the Fourth Proportional to 14,012.94, 21,008.88 and 6,613.19

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Solution

The fourth proportional to 14,012.94, 21,008.88 and 6,613.19 is: 9,914.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012.94 : 21,008.88 = 6,613.19 : x
  2. Step 2: Convert to fraction form
    14,012.94/21,008.88 = 6,613.19/x
  3. Step 3: Cross multiply
    14,012.94x = 21,008.88 × 6,613.19
  4. Step 4: Simplify right side
    14,012.94x = 138,935,610.08
  5. Step 5: Solve for x
    x = 138,935,610.08/14,012.94
  6. Step 6: Final answer
    x = 9,914.81

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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.