Home / 14,344.18-21,513-5,456.34

Finding the Fourth Proportional to 14,344.18, 21,513 and 5,456.34

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Solution

The fourth proportional to 14,344.18, 21,513 and 5,456.34 is: 8,183.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,344.18 : 21,513 = 5,456.34 : x
  2. Step 2: Convert to fraction form
    14,344.18/21,513 = 5,456.34/x
  3. Step 3: Cross multiply
    14,344.18x = 21,513 × 5,456.34
  4. Step 4: Simplify right side
    14,344.18x = 117,382,242.42
  5. Step 5: Solve for x
    x = 117,382,242.42/14,344.18
  6. Step 6: Final answer
    x = 8,183.27

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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.