Home / 14,180.17-19,569.76-8,211.94

Finding the Fourth Proportional to 14,180.17, 19,569.76 and 8,211.94

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Solution

The fourth proportional to 14,180.17, 19,569.76 and 8,211.94 is: 11,333.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,180.17 : 19,569.76 = 8,211.94 : x
  2. Step 2: Convert to fraction form
    14,180.17/19,569.76 = 8,211.94/x
  3. Step 3: Cross multiply
    14,180.17x = 19,569.76 × 8,211.94
  4. Step 4: Simplify right side
    14,180.17x = 160,705,694.93
  5. Step 5: Solve for x
    x = 160,705,694.93/14,180.17
  6. Step 6: Final answer
    x = 11,333.13

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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.