Home / 13,382.22-18,461.34-8,668.02

Finding the Fourth Proportional to 13,382.22, 18,461.34 and 8,668.02

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Solution

The fourth proportional to 13,382.22, 18,461.34 and 8,668.02 is: 11,957.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,382.22 : 18,461.34 = 8,668.02 : x
  2. Step 2: Convert to fraction form
    13,382.22/18,461.34 = 8,668.02/x
  3. Step 3: Cross multiply
    13,382.22x = 18,461.34 × 8,668.02
  4. Step 4: Simplify right side
    13,382.22x = 160,023,264.35
  5. Step 5: Solve for x
    x = 160,023,264.35/13,382.22
  6. Step 6: Final answer
    x = 11,957.90

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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.