Home / 19,600.29-29,398.82-6,453.99

Finding the Fourth Proportional to 19,600.29, 29,398.82 and 6,453.99

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Solution

The fourth proportional to 19,600.29, 29,398.82 and 6,453.99 is: 9,680.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,600.29 : 29,398.82 = 6,453.99 : x
  2. Step 2: Convert to fraction form
    19,600.29/29,398.82 = 6,453.99/x
  3. Step 3: Cross multiply
    19,600.29x = 29,398.82 × 6,453.99
  4. Step 4: Simplify right side
    19,600.29x = 189,739,658.02
  5. Step 5: Solve for x
    x = 189,739,658.02/19,600.29
  6. Step 6: Final answer
    x = 9,680.45

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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.