Home / 21,236.10-29,309.88-14,066.10

Finding the Fourth Proportional to 21,236.10, 29,309.88 and 14,066.10

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Solution

The fourth proportional to 21,236.10, 29,309.88 and 14,066.10 is: 19,413.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,236.10 : 29,309.88 = 14,066.10 : x
  2. Step 2: Convert to fraction form
    21,236.10/29,309.88 = 14,066.10/x
  3. Step 3: Cross multiply
    21,236.10x = 29,309.88 × 14,066.10
  4. Step 4: Simplify right side
    21,236.10x = 412,275,703.07
  5. Step 5: Solve for x
    x = 412,275,703.07/21,236.10
  6. Step 6: Final answer
    x = 19,413.91

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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.