Home / 19,403.76-29,107.08-5,553.84

Finding the Fourth Proportional to 19,403.76, 29,107.08 and 5,553.84

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Solution

The fourth proportional to 19,403.76, 29,107.08 and 5,553.84 is: 8,331.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,403.76 : 29,107.08 = 5,553.84 : x
  2. Step 2: Convert to fraction form
    19,403.76/29,107.08 = 5,553.84/x
  3. Step 3: Cross multiply
    19,403.76x = 29,107.08 × 5,553.84
  4. Step 4: Simplify right side
    19,403.76x = 161,656,065.19
  5. Step 5: Solve for x
    x = 161,656,065.19/19,403.76
  6. Step 6: Final answer
    x = 8,331.17

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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.