Home / 20,810.49-31,214.83-6,019.08

Finding the Fourth Proportional to 20,810.49, 31,214.83 and 6,019.08

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Solution

The fourth proportional to 20,810.49, 31,214.83 and 6,019.08 is: 9,028.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,810.49 : 31,214.83 = 6,019.08 : x
  2. Step 2: Convert to fraction form
    20,810.49/31,214.83 = 6,019.08/x
  3. Step 3: Cross multiply
    20,810.49x = 31,214.83 × 6,019.08
  4. Step 4: Simplify right side
    20,810.49x = 187,884,558.96
  5. Step 5: Solve for x
    x = 187,884,558.96/20,810.49
  6. Step 6: Final answer
    x = 9,028.36

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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.