Home / 19,904.34-27,468.22-11,406.29

Finding the Fourth Proportional to 19,904.34, 27,468.22 and 11,406.29

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Solution

The fourth proportional to 19,904.34, 27,468.22 and 11,406.29 is: 15,740.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,904.34 : 27,468.22 = 11,406.29 : x
  2. Step 2: Convert to fraction form
    19,904.34/27,468.22 = 11,406.29/x
  3. Step 3: Cross multiply
    19,904.34x = 27,468.22 × 11,406.29
  4. Step 4: Simplify right side
    19,904.34x = 313,310,483.10
  5. Step 5: Solve for x
    x = 313,310,483.10/19,904.34
  6. Step 6: Final answer
    x = 15,740.81

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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.