Home / 12,635.30-18,952.70-5,613.41

Finding the Fourth Proportional to 12,635.30, 18,952.70 and 5,613.41

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Solution

The fourth proportional to 12,635.30, 18,952.70 and 5,613.41 is: 8,420.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,635.30 : 18,952.70 = 5,613.41 : x
  2. Step 2: Convert to fraction form
    12,635.30/18,952.70 = 5,613.41/x
  3. Step 3: Cross multiply
    12,635.30x = 18,952.70 × 5,613.41
  4. Step 4: Simplify right side
    12,635.30x = 106,389,295.02
  5. Step 5: Solve for x
    x = 106,389,295.02/12,635.30
  6. Step 6: Final answer
    x = 8,420.00

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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.