Home / 21,182.45-29,207.93-14,471.73

Finding the Fourth Proportional to 21,182.45, 29,207.93 and 14,471.73

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Solution

The fourth proportional to 21,182.45, 29,207.93 and 14,471.73 is: 19,954.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,182.45 : 29,207.93 = 14,471.73 : x
  2. Step 2: Convert to fraction form
    21,182.45/29,207.93 = 14,471.73/x
  3. Step 3: Cross multiply
    21,182.45x = 29,207.93 × 14,471.73
  4. Step 4: Simplify right side
    21,182.45x = 422,689,204.46
  5. Step 5: Solve for x
    x = 422,689,204.46/21,182.45
  6. Step 6: Final answer
    x = 19,954.69

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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.