Home / 13,660.22-18,854.16-8,941.76

Finding the Fourth Proportional to 13,660.22, 18,854.16 and 8,941.76

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Solution

The fourth proportional to 13,660.22, 18,854.16 and 8,941.76 is: 12,341.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,660.22 : 18,854.16 = 8,941.76 : x
  2. Step 2: Convert to fraction form
    13,660.22/18,854.16 = 8,941.76/x
  3. Step 3: Cross multiply
    13,660.22x = 18,854.16 × 8,941.76
  4. Step 4: Simplify right side
    13,660.22x = 168,589,373.72
  5. Step 5: Solve for x
    x = 168,589,373.72/13,660.22
  6. Step 6: Final answer
    x = 12,341.63

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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.