Home / 13,803.90-19,049.31-7,753.30

Finding the Fourth Proportional to 13,803.90, 19,049.31 and 7,753.30

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Solution

The fourth proportional to 13,803.90, 19,049.31 and 7,753.30 is: 10,699.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,803.90 : 19,049.31 = 7,753.30 : x
  2. Step 2: Convert to fraction form
    13,803.90/19,049.31 = 7,753.30/x
  3. Step 3: Cross multiply
    13,803.90x = 19,049.31 × 7,753.30
  4. Step 4: Simplify right side
    13,803.90x = 147,695,015.22
  5. Step 5: Solve for x
    x = 147,695,015.22/13,803.90
  6. Step 6: Final answer
    x = 10,699.51

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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.