Home / 14,085.09-21,127.65-4,224.39

Finding the Fourth Proportional to 14,085.09, 21,127.65 and 4,224.39

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Solution

The fourth proportional to 14,085.09, 21,127.65 and 4,224.39 is: 6,336.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,085.09 : 21,127.65 = 4,224.39 : x
  2. Step 2: Convert to fraction form
    14,085.09/21,127.65 = 4,224.39/x
  3. Step 3: Cross multiply
    14,085.09x = 21,127.65 × 4,224.39
  4. Step 4: Simplify right side
    14,085.09x = 89,251,433.38
  5. Step 5: Solve for x
    x = 89,251,433.38/14,085.09
  6. Step 6: Final answer
    x = 6,336.59

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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.