Home / 19,889.48-27,448.14-10,937.30

Finding the Fourth Proportional to 19,889.48, 27,448.14 and 10,937.30

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Solution

The fourth proportional to 19,889.48, 27,448.14 and 10,937.30 is: 15,093.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,889.48 : 27,448.14 = 10,937.30 : x
  2. Step 2: Convert to fraction form
    19,889.48/27,448.14 = 10,937.30/x
  3. Step 3: Cross multiply
    19,889.48x = 27,448.14 × 10,937.30
  4. Step 4: Simplify right side
    19,889.48x = 300,208,541.62
  5. Step 5: Solve for x
    x = 300,208,541.62/19,889.48
  6. Step 6: Final answer
    x = 15,093.84

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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.