Home / 21,243.57-31,803.04-14,896.44

Finding the Fourth Proportional to 21,243.57, 31,803.04 and 14,896.44

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Solution

The fourth proportional to 21,243.57, 31,803.04 and 14,896.44 is: 22,300.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,243.57 : 31,803.04 = 14,896.44 : x
  2. Step 2: Convert to fraction form
    21,243.57/31,803.04 = 14,896.44/x
  3. Step 3: Cross multiply
    21,243.57x = 31,803.04 × 14,896.44
  4. Step 4: Simplify right side
    21,243.57x = 473,752,077.18
  5. Step 5: Solve for x
    x = 473,752,077.18/21,243.57
  6. Step 6: Final answer
    x = 22,300.96

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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.