Home / 14,053.89-21,084.02-4,192.80

Finding the Fourth Proportional to 14,053.89, 21,084.02 and 4,192.80

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Solution

The fourth proportional to 14,053.89, 21,084.02 and 4,192.80 is: 6,290.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,053.89 : 21,084.02 = 4,192.80 : x
  2. Step 2: Convert to fraction form
    14,053.89/21,084.02 = 4,192.80/x
  3. Step 3: Cross multiply
    14,053.89x = 21,084.02 × 4,192.80
  4. Step 4: Simplify right side
    14,053.89x = 88,401,058.09
  5. Step 5: Solve for x
    x = 88,401,058.09/14,053.89
  6. Step 6: Final answer
    x = 6,290.15

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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.