Home / 20,619.03-30,904.62-9,502.37

Finding the Fourth Proportional to 20,619.03, 30,904.62 and 9,502.37

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Solution

The fourth proportional to 20,619.03, 30,904.62 and 9,502.37 is: 14,242.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,619.03 : 30,904.62 = 9,502.37 : x
  2. Step 2: Convert to fraction form
    20,619.03/30,904.62 = 9,502.37/x
  3. Step 3: Cross multiply
    20,619.03x = 30,904.62 × 9,502.37
  4. Step 4: Simplify right side
    20,619.03x = 293,666,979.43
  5. Step 5: Solve for x
    x = 293,666,979.43/20,619.03
  6. Step 6: Final answer
    x = 14,242.52

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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.