Home / 19,933.84-29,901.72-8,828.56

Finding the Fourth Proportional to 19,933.84, 29,901.72 and 8,828.56

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Solution

The fourth proportional to 19,933.84, 29,901.72 and 8,828.56 is: 13,243.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,933.84 : 29,901.72 = 8,828.56 : x
  2. Step 2: Convert to fraction form
    19,933.84/29,901.72 = 8,828.56/x
  3. Step 3: Cross multiply
    19,933.84x = 29,901.72 × 8,828.56
  4. Step 4: Simplify right side
    19,933.84x = 263,989,129.12
  5. Step 5: Solve for x
    x = 263,989,129.12/19,933.84
  6. Step 6: Final answer
    x = 13,243.27

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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.