Home / 11,206.61-15,465-6,170.73

Finding the Fourth Proportional to 11,206.61, 15,465 and 6,170.73

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Solution

The fourth proportional to 11,206.61, 15,465 and 6,170.73 is: 8,515.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,206.61 : 15,465 = 6,170.73 : x
  2. Step 2: Convert to fraction form
    11,206.61/15,465 = 6,170.73/x
  3. Step 3: Cross multiply
    11,206.61x = 15,465 × 6,170.73
  4. Step 4: Simplify right side
    11,206.61x = 95,430,339.45
  5. Step 5: Solve for x
    x = 95,430,339.45/11,206.61
  6. Step 6: Final answer
    x = 8,515.54

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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.