Home / 11,306.12-16,955.82-4,280.92

Finding the Fourth Proportional to 11,306.12, 16,955.82 and 4,280.92

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Solution

The fourth proportional to 11,306.12, 16,955.82 and 4,280.92 is: 6,420.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,306.12 : 16,955.82 = 4,280.92 : x
  2. Step 2: Convert to fraction form
    11,306.12/16,955.82 = 4,280.92/x
  3. Step 3: Cross multiply
    11,306.12x = 16,955.82 × 4,280.92
  4. Step 4: Simplify right side
    11,306.12x = 72,586,508.95
  5. Step 5: Solve for x
    x = 72,586,508.95/11,306.12
  6. Step 6: Final answer
    x = 6,420.11

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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.