Home / 19,209.36-26,519.36-13,272.94

Finding the Fourth Proportional to 19,209.36, 26,519.36 and 13,272.94

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Solution

The fourth proportional to 19,209.36, 26,519.36 and 13,272.94 is: 18,323.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,209.36 : 26,519.36 = 13,272.94 : x
  2. Step 2: Convert to fraction form
    19,209.36/26,519.36 = 13,272.94/x
  3. Step 3: Cross multiply
    19,209.36x = 26,519.36 × 13,272.94
  4. Step 4: Simplify right side
    19,209.36x = 351,989,874.12
  5. Step 5: Solve for x
    x = 351,989,874.12/19,209.36
  6. Step 6: Final answer
    x = 18,323.87

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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.