Home / 14,180.20-19,569.81-8,211.98

Finding the Fourth Proportional to 14,180.20, 19,569.81 and 8,211.98

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Solution

The fourth proportional to 14,180.20, 19,569.81 and 8,211.98 is: 11,333.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,180.20 : 19,569.81 = 8,211.98 : x
  2. Step 2: Convert to fraction form
    14,180.20/19,569.81 = 8,211.98/x
  3. Step 3: Cross multiply
    14,180.20x = 19,569.81 × 8,211.98
  4. Step 4: Simplify right side
    14,180.20x = 160,706,749.41
  5. Step 5: Solve for x
    x = 160,706,749.41/14,180.20
  6. Step 6: Final answer
    x = 11,333.18

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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.