Home / 19,884.48-27,440.60-10,932.13

Finding the Fourth Proportional to 19,884.48, 27,440.60 and 10,932.13

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Solution

The fourth proportional to 19,884.48, 27,440.60 and 10,932.13 is: 15,086.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,884.48 : 27,440.60 = 10,932.13 : x
  2. Step 2: Convert to fraction form
    19,884.48/27,440.60 = 10,932.13/x
  3. Step 3: Cross multiply
    19,884.48x = 27,440.60 × 10,932.13
  4. Step 4: Simplify right side
    19,884.48x = 299,984,186.12
  5. Step 5: Solve for x
    x = 299,984,186.12/19,884.48
  6. Step 6: Final answer
    x = 15,086.35

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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.