Home / 14,085.41-21,128.12-4,224.69

Finding the Fourth Proportional to 14,085.41, 21,128.12 and 4,224.69

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Solution

The fourth proportional to 14,085.41, 21,128.12 and 4,224.69 is: 6,337.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,085.41 : 21,128.12 = 4,224.69 : x
  2. Step 2: Convert to fraction form
    14,085.41/21,128.12 = 4,224.69/x
  3. Step 3: Cross multiply
    14,085.41x = 21,128.12 × 4,224.69
  4. Step 4: Simplify right side
    14,085.41x = 89,259,736.16
  5. Step 5: Solve for x
    x = 89,259,736.16/14,085.41
  6. Step 6: Final answer
    x = 6,337.04

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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.