Home / 13,660.07-18,851.36-7,995.35

Finding the Fourth Proportional to 13,660.07, 18,851.36 and 7,995.35

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Solution

The fourth proportional to 13,660.07, 18,851.36 and 7,995.35 is: 11,033.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,660.07 : 18,851.36 = 7,995.35 : x
  2. Step 2: Convert to fraction form
    13,660.07/18,851.36 = 7,995.35/x
  3. Step 3: Cross multiply
    13,660.07x = 18,851.36 × 7,995.35
  4. Step 4: Simplify right side
    13,660.07x = 150,723,146.91
  5. Step 5: Solve for x
    x = 150,723,146.91/13,660.07
  6. Step 6: Final answer
    x = 11,033.85

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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.