Home / 11,302.55-16,902.89-8,634.95

Finding the Fourth Proportional to 11,302.55, 16,902.89 and 8,634.95

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Solution

The fourth proportional to 11,302.55, 16,902.89 and 8,634.95 is: 12,913.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,302.55 : 16,902.89 = 8,634.95 : x
  2. Step 2: Convert to fraction form
    11,302.55/16,902.89 = 8,634.95/x
  3. Step 3: Cross multiply
    11,302.55x = 16,902.89 × 8,634.95
  4. Step 4: Simplify right side
    11,302.55x = 145,955,578.34
  5. Step 5: Solve for x
    x = 145,955,578.34/11,302.55
  6. Step 6: Final answer
    x = 12,913.51

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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.