Home / 14,785.62-20,399.31-10,537.35

Finding the Fourth Proportional to 14,785.62, 20,399.31 and 10,537.35

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Solution

The fourth proportional to 14,785.62, 20,399.31 and 10,537.35 is: 14,538.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,785.62 : 20,399.31 = 10,537.35 : x
  2. Step 2: Convert to fraction form
    14,785.62/20,399.31 = 10,537.35/x
  3. Step 3: Cross multiply
    14,785.62x = 20,399.31 × 10,537.35
  4. Step 4: Simplify right side
    14,785.62x = 214,954,669.23
  5. Step 5: Solve for x
    x = 214,954,669.23/14,785.62
  6. Step 6: Final answer
    x = 14,538.09

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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.