Home / 19,391.92-29,088.96-6,243.28

Finding the Fourth Proportional to 19,391.92, 29,088.96 and 6,243.28

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Solution

The fourth proportional to 19,391.92, 29,088.96 and 6,243.28 is: 9,365.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,391.92 : 29,088.96 = 6,243.28 : x
  2. Step 2: Convert to fraction form
    19,391.92/29,088.96 = 6,243.28/x
  3. Step 3: Cross multiply
    19,391.92x = 29,088.96 × 6,243.28
  4. Step 4: Simplify right side
    19,391.92x = 181,610,522.19
  5. Step 5: Solve for x
    x = 181,610,522.19/19,391.92
  6. Step 6: Final answer
    x = 9,365.27

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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.