Home / 21,684.54-29,949.30-14,598.66

Finding the Fourth Proportional to 21,684.54, 29,949.30 and 14,598.66

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Solution

The fourth proportional to 21,684.54, 29,949.30 and 14,598.66 is: 20,162.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,684.54 : 29,949.30 = 14,598.66 : x
  2. Step 2: Convert to fraction form
    21,684.54/29,949.30 = 14,598.66/x
  3. Step 3: Cross multiply
    21,684.54x = 29,949.30 × 14,598.66
  4. Step 4: Simplify right side
    21,684.54x = 437,219,647.94
  5. Step 5: Solve for x
    x = 437,219,647.94/21,684.54
  6. Step 6: Final answer
    x = 20,162.74

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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.