Home / 19,858.72-27,396.30-12,303.04

Finding the Fourth Proportional to 19,858.72, 27,396.30 and 12,303.04

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Solution

The fourth proportional to 19,858.72, 27,396.30 and 12,303.04 is: 16,972.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,858.72 : 27,396.30 = 12,303.04 : x
  2. Step 2: Convert to fraction form
    19,858.72/27,396.30 = 12,303.04/x
  3. Step 3: Cross multiply
    19,858.72x = 27,396.30 × 12,303.04
  4. Step 4: Simplify right side
    19,858.72x = 337,057,774.75
  5. Step 5: Solve for x
    x = 337,057,774.75/19,858.72
  6. Step 6: Final answer
    x = 16,972.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.