Home / 12,265.07-18,397.62-3,380.51

Finding the Fourth Proportional to 12,265.07, 18,397.62 and 3,380.51

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Solution

The fourth proportional to 12,265.07, 18,397.62 and 3,380.51 is: 5,070.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,265.07 : 18,397.62 = 3,380.51 : x
  2. Step 2: Convert to fraction form
    12,265.07/18,397.62 = 3,380.51/x
  3. Step 3: Cross multiply
    12,265.07x = 18,397.62 × 3,380.51
  4. Step 4: Simplify right side
    12,265.07x = 62,193,384.38
  5. Step 5: Solve for x
    x = 62,193,384.38/12,265.07
  6. Step 6: Final answer
    x = 5,070.77

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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.