Home / 14,209.55-19,610.51-8,160.64

Finding the Fourth Proportional to 14,209.55, 19,610.51 and 8,160.64

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Solution

The fourth proportional to 14,209.55, 19,610.51 and 8,160.64 is: 11,262.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,209.55 : 19,610.51 = 8,160.64 : x
  2. Step 2: Convert to fraction form
    14,209.55/19,610.51 = 8,160.64/x
  3. Step 3: Cross multiply
    14,209.55x = 19,610.51 × 8,160.64
  4. Step 4: Simplify right side
    14,209.55x = 160,034,222.50
  5. Step 5: Solve for x
    x = 160,034,222.50/14,209.55
  6. Step 6: Final answer
    x = 11,262.44

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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.