Home / 20,857.47-31,288.26-6,066.51

Finding the Fourth Proportional to 20,857.47, 31,288.26 and 6,066.51

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Solution

The fourth proportional to 20,857.47, 31,288.26 and 6,066.51 is: 9,100.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,857.47 : 31,288.26 = 6,066.51 : x
  2. Step 2: Convert to fraction form
    20,857.47/31,288.26 = 6,066.51/x
  3. Step 3: Cross multiply
    20,857.47x = 31,288.26 × 6,066.51
  4. Step 4: Simplify right side
    20,857.47x = 189,810,542.17
  5. Step 5: Solve for x
    x = 189,810,542.17/20,857.47
  6. Step 6: Final answer
    x = 9,100.36

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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.