Home / 10,004.49-14,990.31-3,427.09

Finding the Fourth Proportional to 10,004.49, 14,990.31 and 3,427.09

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Solution

The fourth proportional to 10,004.49, 14,990.31 and 3,427.09 is: 5,135.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,004.49 : 14,990.31 = 3,427.09 : x
  2. Step 2: Convert to fraction form
    10,004.49/14,990.31 = 3,427.09/x
  3. Step 3: Cross multiply
    10,004.49x = 14,990.31 × 3,427.09
  4. Step 4: Simplify right side
    10,004.49x = 51,373,104.02
  5. Step 5: Solve for x
    x = 51,373,104.02/10,004.49
  6. Step 6: Final answer
    x = 5,135.00

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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.