Home / 21,186.06-29,228.44-14,810.96

Finding the Fourth Proportional to 21,186.06, 29,228.44 and 14,810.96

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Solution

The fourth proportional to 21,186.06, 29,228.44 and 14,810.96 is: 20,433.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,186.06 : 29,228.44 = 14,810.96 : x
  2. Step 2: Convert to fraction form
    21,186.06/29,228.44 = 14,810.96/x
  3. Step 3: Cross multiply
    21,186.06x = 29,228.44 × 14,810.96
  4. Step 4: Simplify right side
    21,186.06x = 432,901,255.70
  5. Step 5: Solve for x
    x = 432,901,255.70/21,186.06
  6. Step 6: Final answer
    x = 20,433.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.