Home / 19,944.84-29,878.96-11,153.12

Finding the Fourth Proportional to 19,944.84, 29,878.96 and 11,153.12

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Solution

The fourth proportional to 19,944.84, 29,878.96 and 11,153.12 is: 16,708.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,944.84 : 29,878.96 = 11,153.12 : x
  2. Step 2: Convert to fraction form
    19,944.84/29,878.96 = 11,153.12/x
  3. Step 3: Cross multiply
    19,944.84x = 29,878.96 × 11,153.12
  4. Step 4: Simplify right side
    19,944.84x = 333,243,626.36
  5. Step 5: Solve for x
    x = 333,243,626.36/19,944.84
  6. Step 6: Final answer
    x = 16,708.26

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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.