Home / 19,001.05-28,507.34-13,465.10

Finding the Fourth Proportional to 19,001.05, 28,507.34 and 13,465.10

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Solution

The fourth proportional to 19,001.05, 28,507.34 and 13,465.10 is: 20,201.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,001.05 : 28,507.34 = 13,465.10 : x
  2. Step 2: Convert to fraction form
    19,001.05/28,507.34 = 13,465.10/x
  3. Step 3: Cross multiply
    19,001.05x = 28,507.34 × 13,465.10
  4. Step 4: Simplify right side
    19,001.05x = 383,854,183.83
  5. Step 5: Solve for x
    x = 383,854,183.83/19,001.05
  6. Step 6: Final answer
    x = 20,201.74

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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.