Home / 14,272.91-21,403.33-4,279.07

Finding the Fourth Proportional to 14,272.91, 21,403.33 and 4,279.07

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Solution

The fourth proportional to 14,272.91, 21,403.33 and 4,279.07 is: 6,416.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272.91 : 21,403.33 = 4,279.07 : x
  2. Step 2: Convert to fraction form
    14,272.91/21,403.33 = 4,279.07/x
  3. Step 3: Cross multiply
    14,272.91x = 21,403.33 × 4,279.07
  4. Step 4: Simplify right side
    14,272.91x = 91,586,347.30
  5. Step 5: Solve for x
    x = 91,586,347.30/14,272.91
  6. Step 6: Final answer
    x = 6,416.80

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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.