Home / 13,891.30-20,832.34-4,030.90

Finding the Fourth Proportional to 13,891.30, 20,832.34 and 4,030.90

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Solution

The fourth proportional to 13,891.30, 20,832.34 and 4,030.90 is: 6,045.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,891.30 : 20,832.34 = 4,030.90 : x
  2. Step 2: Convert to fraction form
    13,891.30/20,832.34 = 4,030.90/x
  3. Step 3: Cross multiply
    13,891.30x = 20,832.34 × 4,030.90
  4. Step 4: Simplify right side
    13,891.30x = 83,973,079.31
  5. Step 5: Solve for x
    x = 83,973,079.31/13,891.30
  6. Step 6: Final answer
    x = 6,045.01

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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.