Home / 12,265.12-18,400.79-3,500.07

Finding the Fourth Proportional to 12,265.12, 18,400.79 and 3,500.07

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Solution

The fourth proportional to 12,265.12, 18,400.79 and 3,500.07 is: 5,250.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,265.12 : 18,400.79 = 3,500.07 : x
  2. Step 2: Convert to fraction form
    12,265.12/18,400.79 = 3,500.07/x
  3. Step 3: Cross multiply
    12,265.12x = 18,400.79 × 3,500.07
  4. Step 4: Simplify right side
    12,265.12x = 64,403,943.55
  5. Step 5: Solve for x
    x = 64,403,943.55/12,265.12
  6. Step 6: Final answer
    x = 5,250.98

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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.