Home / 19,087.22-28,646.22-13,160.45

Finding the Fourth Proportional to 19,087.22, 28,646.22 and 13,160.45

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Solution

The fourth proportional to 19,087.22, 28,646.22 and 13,160.45 is: 19,751.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,087.22 : 28,646.22 = 13,160.45 : x
  2. Step 2: Convert to fraction form
    19,087.22/28,646.22 = 13,160.45/x
  3. Step 3: Cross multiply
    19,087.22x = 28,646.22 × 13,160.45
  4. Step 4: Simplify right side
    19,087.22x = 376,997,146.00
  5. Step 5: Solve for x
    x = 376,997,146.00/19,087.22
  6. Step 6: Final answer
    x = 19,751.29

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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.