Home / 13,682.64-18,882.05-7,395.02

Finding the Fourth Proportional to 13,682.64, 18,882.05 and 7,395.02

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Solution

The fourth proportional to 13,682.64, 18,882.05 and 7,395.02 is: 10,205.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,682.64 : 18,882.05 = 7,395.02 : x
  2. Step 2: Convert to fraction form
    13,682.64/18,882.05 = 7,395.02/x
  3. Step 3: Cross multiply
    13,682.64x = 18,882.05 × 7,395.02
  4. Step 4: Simplify right side
    13,682.64x = 139,633,006.01
  5. Step 5: Solve for x
    x = 139,633,006.01/13,682.64
  6. Step 6: Final answer
    x = 10,205.12

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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.