Home / 14,155.56-21,211.20-8,950.50

Finding the Fourth Proportional to 14,155.56, 21,211.20 and 8,950.50

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Solution

The fourth proportional to 14,155.56, 21,211.20 and 8,950.50 is: 13,411.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,155.56 : 21,211.20 = 8,950.50 : x
  2. Step 2: Convert to fraction form
    14,155.56/21,211.20 = 8,950.50/x
  3. Step 3: Cross multiply
    14,155.56x = 21,211.20 × 8,950.50
  4. Step 4: Simplify right side
    14,155.56x = 189,850,845.60
  5. Step 5: Solve for x
    x = 189,850,845.60/14,155.56
  6. Step 6: Final answer
    x = 13,411.75

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1.5x scale

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.