Home / 19,889.92-27,447.73-10,937.45

Finding the Fourth Proportional to 19,889.92, 27,447.73 and 10,937.45

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Solution

The fourth proportional to 19,889.92, 27,447.73 and 10,937.45 is: 15,093.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,889.92 : 27,447.73 = 10,937.45 : x
  2. Step 2: Convert to fraction form
    19,889.92/27,447.73 = 10,937.45/x
  3. Step 3: Cross multiply
    19,889.92x = 27,447.73 × 10,937.45
  4. Step 4: Simplify right side
    19,889.92x = 300,208,009.91
  5. Step 5: Solve for x
    x = 300,208,009.91/19,889.92
  6. Step 6: Final answer
    x = 15,093.48

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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.