Home / 19,887.21-27,444.56-10,934.89

Finding the Fourth Proportional to 19,887.21, 27,444.56 and 10,934.89

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Solution

The fourth proportional to 19,887.21, 27,444.56 and 10,934.89 is: 15,090.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,887.21 : 27,444.56 = 10,934.89 : x
  2. Step 2: Convert to fraction form
    19,887.21/27,444.56 = 10,934.89/x
  3. Step 3: Cross multiply
    19,887.21x = 27,444.56 × 10,934.89
  4. Step 4: Simplify right side
    19,887.21x = 300,103,121.41
  5. Step 5: Solve for x
    x = 300,103,121.41/19,887.21
  6. Step 6: Final answer
    x = 15,090.26

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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.