Home / 19,811.52-27,337.28-11,852.16

Finding the Fourth Proportional to 19,811.52, 27,337.28 and 11,852.16

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Solution

The fourth proportional to 19,811.52, 27,337.28 and 11,852.16 is: 16,354.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,811.52 : 27,337.28 = 11,852.16 : x
  2. Step 2: Convert to fraction form
    19,811.52/27,337.28 = 11,852.16/x
  3. Step 3: Cross multiply
    19,811.52x = 27,337.28 × 11,852.16
  4. Step 4: Simplify right side
    19,811.52x = 324,005,816.52
  5. Step 5: Solve for x
    x = 324,005,816.52/19,811.52
  6. Step 6: Final answer
    x = 16,354.41

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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.