Home / 12,265.07-18,393.66-3,943.06

Finding the Fourth Proportional to 12,265.07, 18,393.66 and 3,943.06

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Solution

The fourth proportional to 12,265.07, 18,393.66 and 3,943.06 is: 5,913.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,265.07 : 18,393.66 = 3,943.06 : x
  2. Step 2: Convert to fraction form
    12,265.07/18,393.66 = 3,943.06/x
  3. Step 3: Cross multiply
    12,265.07x = 18,393.66 × 3,943.06
  4. Step 4: Simplify right side
    12,265.07x = 72,527,259.02
  5. Step 5: Solve for x
    x = 72,527,259.02/12,265.07
  6. Step 6: Final answer
    x = 5,913.32

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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.