Home / 19,396.98-29,108.24-10,638.05

Finding the Fourth Proportional to 19,396.98, 29,108.24 and 10,638.05

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Solution

The fourth proportional to 19,396.98, 29,108.24 and 10,638.05 is: 15,964.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,396.98 : 29,108.24 = 10,638.05 : x
  2. Step 2: Convert to fraction form
    19,396.98/29,108.24 = 10,638.05/x
  3. Step 3: Cross multiply
    19,396.98x = 29,108.24 × 10,638.05
  4. Step 4: Simplify right side
    19,396.98x = 309,654,822.96
  5. Step 5: Solve for x
    x = 309,654,822.96/19,396.98
  6. Step 6: Final answer
    x = 15,964.07

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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.