Home / 13,752.27-20,630.70-4,999.41

Finding the Fourth Proportional to 13,752.27, 20,630.70 and 4,999.41

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Solution

The fourth proportional to 13,752.27, 20,630.70 and 4,999.41 is: 7,499.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,752.27 : 20,630.70 = 4,999.41 : x
  2. Step 2: Convert to fraction form
    13,752.27/20,630.70 = 4,999.41/x
  3. Step 3: Cross multiply
    13,752.27x = 20,630.70 × 4,999.41
  4. Step 4: Simplify right side
    13,752.27x = 103,141,327.89
  5. Step 5: Solve for x
    x = 103,141,327.89/13,752.27
  6. Step 6: Final answer
    x = 7,499.95

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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.