Home / 14,631.93-20,190.60-8,257.95

Finding the Fourth Proportional to 14,631.93, 20,190.60 and 8,257.95

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Solution

The fourth proportional to 14,631.93, 20,190.60 and 8,257.95 is: 11,395.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,631.93 : 20,190.60 = 8,257.95 : x
  2. Step 2: Convert to fraction form
    14,631.93/20,190.60 = 8,257.95/x
  3. Step 3: Cross multiply
    14,631.93x = 20,190.60 × 8,257.95
  4. Step 4: Simplify right side
    14,631.93x = 166,732,965.27
  5. Step 5: Solve for x
    x = 166,732,965.27/14,631.93
  6. Step 6: Final answer
    x = 11,395.15

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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.