Home / 19,889.81-27,448.13-10,937.37

Finding the Fourth Proportional to 19,889.81, 27,448.13 and 10,937.37

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Solution

The fourth proportional to 19,889.81, 27,448.13 and 10,937.37 is: 15,093.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,889.81 : 27,448.13 = 10,937.37 : x
  2. Step 2: Convert to fraction form
    19,889.81/27,448.13 = 10,937.37/x
  3. Step 3: Cross multiply
    19,889.81x = 27,448.13 × 10,937.37
  4. Step 4: Simplify right side
    19,889.81x = 300,210,453.06
  5. Step 5: Solve for x
    x = 300,210,453.06/19,889.81
  6. Step 6: Final answer
    x = 15,093.68

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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.