Home / 11,184.68-15,433.58-8,945.74

Finding the Fourth Proportional to 11,184.68, 15,433.58 and 8,945.74

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Solution

The fourth proportional to 11,184.68, 15,433.58 and 8,945.74 is: 12,344.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,184.68 : 15,433.58 = 8,945.74 : x
  2. Step 2: Convert to fraction form
    11,184.68/15,433.58 = 8,945.74/x
  3. Step 3: Cross multiply
    11,184.68x = 15,433.58 × 8,945.74
  4. Step 4: Simplify right side
    11,184.68x = 138,064,793.95
  5. Step 5: Solve for x
    x = 138,064,793.95/11,184.68
  6. Step 6: Final answer
    x = 12,344.10

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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.