Home / 19,013.08-28,512.33-13,151.92

Finding the Fourth Proportional to 19,013.08, 28,512.33 and 13,151.92

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Solution

The fourth proportional to 19,013.08, 28,512.33 and 13,151.92 is: 19,722.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,013.08 : 28,512.33 = 13,151.92 : x
  2. Step 2: Convert to fraction form
    19,013.08/28,512.33 = 13,151.92/x
  3. Step 3: Cross multiply
    19,013.08x = 28,512.33 × 13,151.92
  4. Step 4: Simplify right side
    19,013.08x = 374,991,883.17
  5. Step 5: Solve for x
    x = 374,991,883.17/19,013.08
  6. Step 6: Final answer
    x = 19,722.84

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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.