Home / 19,720.58-27,214.41-11,336.58

Finding the Fourth Proportional to 19,720.58, 27,214.41 and 11,336.58

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Solution

The fourth proportional to 19,720.58, 27,214.41 and 11,336.58 is: 15,644.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,720.58 : 27,214.41 = 11,336.58 : x
  2. Step 2: Convert to fraction form
    19,720.58/27,214.41 = 11,336.58/x
  3. Step 3: Cross multiply
    19,720.58x = 27,214.41 × 11,336.58
  4. Step 4: Simplify right side
    19,720.58x = 308,518,336.12
  5. Step 5: Solve for x
    x = 308,518,336.12/19,720.58
  6. Step 6: Final answer
    x = 15,644.49

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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.