Home / 11,311.60-16,966.70-5,069.93

Finding the Fourth Proportional to 11,311.60, 16,966.70 and 5,069.93

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Solution

The fourth proportional to 11,311.60, 16,966.70 and 5,069.93 is: 7,604.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,311.60 : 16,966.70 = 5,069.93 : x
  2. Step 2: Convert to fraction form
    11,311.60/16,966.70 = 5,069.93/x
  3. Step 3: Cross multiply
    11,311.60x = 16,966.70 × 5,069.93
  4. Step 4: Simplify right side
    11,311.60x = 86,019,985.60
  5. Step 5: Solve for x
    x = 86,019,985.60/11,311.60
  6. Step 6: Final answer
    x = 7,604.58

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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.