Home / 14,110.89-19,428.69-11,981.94

Finding the Fourth Proportional to 14,110.89, 19,428.69 and 11,981.94

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Solution

The fourth proportional to 14,110.89, 19,428.69 and 11,981.94 is: 16,497.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,110.89 : 19,428.69 = 11,981.94 : x
  2. Step 2: Convert to fraction form
    14,110.89/19,428.69 = 11,981.94/x
  3. Step 3: Cross multiply
    14,110.89x = 19,428.69 × 11,981.94
  4. Step 4: Simplify right side
    14,110.89x = 232,793,397.86
  5. Step 5: Solve for x
    x = 232,793,397.86/14,110.89
  6. Step 6: Final answer
    x = 16,497.43

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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.