Home / 21,476.50-29,650.53-14,037.46

Finding the Fourth Proportional to 21,476.50, 29,650.53 and 14,037.46

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Solution

The fourth proportional to 21,476.50, 29,650.53 and 14,037.46 is: 19,380.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,476.50 : 29,650.53 = 14,037.46 : x
  2. Step 2: Convert to fraction form
    21,476.50/29,650.53 = 14,037.46/x
  3. Step 3: Cross multiply
    21,476.50x = 29,650.53 × 14,037.46
  4. Step 4: Simplify right side
    21,476.50x = 416,218,128.85
  5. Step 5: Solve for x
    x = 416,218,128.85/21,476.50
  6. Step 6: Final answer
    x = 19,380.17

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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.