Home / 11,301.46-16,938.74-8,518.95

Finding the Fourth Proportional to 11,301.46, 16,938.74 and 8,518.95

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Solution

The fourth proportional to 11,301.46, 16,938.74 and 8,518.95 is: 12,768.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,301.46 : 16,938.74 = 8,518.95 : x
  2. Step 2: Convert to fraction form
    11,301.46/16,938.74 = 8,518.95/x
  3. Step 3: Cross multiply
    11,301.46x = 16,938.74 × 8,518.95
  4. Step 4: Simplify right side
    11,301.46x = 144,300,236.53
  5. Step 5: Solve for x
    x = 144,300,236.53/11,301.46
  6. Step 6: Final answer
    x = 12,768.29

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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.