Home / 21,273.61-31,943.16-14,168.59

Finding the Fourth Proportional to 21,273.61, 31,943.16 and 14,168.59

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Solution

The fourth proportional to 21,273.61, 31,943.16 and 14,168.59 is: 21,274.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,273.61 : 31,943.16 = 14,168.59 : x
  2. Step 2: Convert to fraction form
    21,273.61/31,943.16 = 14,168.59/x
  3. Step 3: Cross multiply
    21,273.61x = 31,943.16 × 14,168.59
  4. Step 4: Simplify right side
    21,273.61x = 452,589,537.34
  5. Step 5: Solve for x
    x = 452,589,537.34/21,273.61
  6. Step 6: Final answer
    x = 21,274.69

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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.