Home / 19,001.55-28,508.09-13,465.60

Finding the Fourth Proportional to 19,001.55, 28,508.09 and 13,465.60

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Solution

The fourth proportional to 19,001.55, 28,508.09 and 13,465.60 is: 20,202.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,001.55 : 28,508.09 = 13,465.60 : x
  2. Step 2: Convert to fraction form
    19,001.55/28,508.09 = 13,465.60/x
  3. Step 3: Cross multiply
    19,001.55x = 28,508.09 × 13,465.60
  4. Step 4: Simplify right side
    19,001.55x = 383,878,469.38
  5. Step 5: Solve for x
    x = 383,878,469.38/19,001.55
  6. Step 6: Final answer
    x = 20,202.49

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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.