Home / 19,904.09-27,468.30-11,407.82

Finding the Fourth Proportional to 19,904.09, 27,468.30 and 11,407.82

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Solution

The fourth proportional to 19,904.09, 27,468.30 and 11,407.82 is: 15,743.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,904.09 : 27,468.30 = 11,407.82 : x
  2. Step 2: Convert to fraction form
    19,904.09/27,468.30 = 11,407.82/x
  3. Step 3: Cross multiply
    19,904.09x = 27,468.30 × 11,407.82
  4. Step 4: Simplify right side
    19,904.09x = 313,353,422.11
  5. Step 5: Solve for x
    x = 313,353,422.11/19,904.09
  6. Step 6: Final answer
    x = 15,743.17

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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.