Home / 14,981.40-22,454.10-6,211.80

Finding the Fourth Proportional to 14,981.40, 22,454.10 and 6,211.80

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Solution

The fourth proportional to 14,981.40, 22,454.10 and 6,211.80 is: 9,310.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,981.40 : 22,454.10 = 6,211.80 : x
  2. Step 2: Convert to fraction form
    14,981.40/22,454.10 = 6,211.80/x
  3. Step 3: Cross multiply
    14,981.40x = 22,454.10 × 6,211.80
  4. Step 4: Simplify right side
    14,981.40x = 139,480,378.38
  5. Step 5: Solve for x
    x = 139,480,378.38/14,981.40
  6. Step 6: Final answer
    x = 9,310.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.