Home / 13,985.04-20,973-4,622.88

Finding the Fourth Proportional to 13,985.04, 20,973 and 4,622.88

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Solution

The fourth proportional to 13,985.04, 20,973 and 4,622.88 is: 6,932.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,985.04 : 20,973 = 4,622.88 : x
  2. Step 2: Convert to fraction form
    13,985.04/20,973 = 4,622.88/x
  3. Step 3: Cross multiply
    13,985.04x = 20,973 × 4,622.88
  4. Step 4: Simplify right side
    13,985.04x = 96,955,662.24
  5. Step 5: Solve for x
    x = 96,955,662.24/13,985.04
  6. Step 6: Final answer
    x = 6,932.81

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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.