Home / 11,280.55-16,918.08-4,706.79

Finding the Fourth Proportional to 11,280.55, 16,918.08 and 4,706.79

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Solution

The fourth proportional to 11,280.55, 16,918.08 and 4,706.79 is: 7,059.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,280.55 : 16,918.08 = 4,706.79 : x
  2. Step 2: Convert to fraction form
    11,280.55/16,918.08 = 4,706.79/x
  3. Step 3: Cross multiply
    11,280.55x = 16,918.08 × 4,706.79
  4. Step 4: Simplify right side
    11,280.55x = 79,629,849.76
  5. Step 5: Solve for x
    x = 79,629,849.76/11,280.55
  6. Step 6: Final answer
    x = 7,059.04

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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.