Home / 20,397.26-28,148.37-11,444.87

Finding the Fourth Proportional to 20,397.26, 28,148.37 and 11,444.87

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Solution

The fourth proportional to 20,397.26, 28,148.37 and 11,444.87 is: 15,794.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,397.26 : 28,148.37 = 11,444.87 : x
  2. Step 2: Convert to fraction form
    20,397.26/28,148.37 = 11,444.87/x
  3. Step 3: Cross multiply
    20,397.26x = 28,148.37 × 11,444.87
  4. Step 4: Simplify right side
    20,397.26x = 322,154,435.36
  5. Step 5: Solve for x
    x = 322,154,435.36/20,397.26
  6. Step 6: Final answer
    x = 15,794.01

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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.