Home / 14,292.16-21,438.05-4,431.44

Finding the Fourth Proportional to 14,292.16, 21,438.05 and 4,431.44

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Solution

The fourth proportional to 14,292.16, 21,438.05 and 4,431.44 is: 6,647.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,292.16 : 21,438.05 = 4,431.44 : x
  2. Step 2: Convert to fraction form
    14,292.16/21,438.05 = 4,431.44/x
  3. Step 3: Cross multiply
    14,292.16x = 21,438.05 × 4,431.44
  4. Step 4: Simplify right side
    14,292.16x = 95,001,463.73
  5. Step 5: Solve for x
    x = 95,001,463.73/14,292.16
  6. Step 6: Final answer
    x = 6,647.10

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1.5x scale

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.