Home / 11,812.54-16,300.92-6,434.95

Finding the Fourth Proportional to 11,812.54, 16,300.92 and 6,434.95

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Solution

The fourth proportional to 11,812.54, 16,300.92 and 6,434.95 is: 8,880.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,812.54 : 16,300.92 = 6,434.95 : x
  2. Step 2: Convert to fraction form
    11,812.54/16,300.92 = 6,434.95/x
  3. Step 3: Cross multiply
    11,812.54x = 16,300.92 × 6,434.95
  4. Step 4: Simplify right side
    11,812.54x = 104,895,605.15
  5. Step 5: Solve for x
    x = 104,895,605.15/11,812.54
  6. Step 6: Final answer
    x = 8,880.02

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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.