Home / 14,311.67-21,444.15-7,282.01

Finding the Fourth Proportional to 14,311.67, 21,444.15 and 7,282.01

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Solution

The fourth proportional to 14,311.67, 21,444.15 and 7,282.01 is: 10,911.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,311.67 : 21,444.15 = 7,282.01 : x
  2. Step 2: Convert to fraction form
    14,311.67/21,444.15 = 7,282.01/x
  3. Step 3: Cross multiply
    14,311.67x = 21,444.15 × 7,282.01
  4. Step 4: Simplify right side
    14,311.67x = 156,156,586.29
  5. Step 5: Solve for x
    x = 156,156,586.29/14,311.67
  6. Step 6: Final answer
    x = 10,911.14

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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.