Home / 14,474.30-21,690.18-6,459.35

Finding the Fourth Proportional to 14,474.30, 21,690.18 and 6,459.35

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Solution

The fourth proportional to 14,474.30, 21,690.18 and 6,459.35 is: 9,679.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,474.30 : 21,690.18 = 6,459.35 : x
  2. Step 2: Convert to fraction form
    14,474.30/21,690.18 = 6,459.35/x
  3. Step 3: Cross multiply
    14,474.30x = 21,690.18 × 6,459.35
  4. Step 4: Simplify right side
    14,474.30x = 140,104,355.73
  5. Step 5: Solve for x
    x = 140,104,355.73/14,474.30
  6. Step 6: Final answer
    x = 9,679.53

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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.