Home / 19,962.63-27,548.10-11,464.79

Finding the Fourth Proportional to 19,962.63, 27,548.10 and 11,464.79

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Solution

The fourth proportional to 19,962.63, 27,548.10 and 11,464.79 is: 15,821.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,962.63 : 27,548.10 = 11,464.79 : x
  2. Step 2: Convert to fraction form
    19,962.63/27,548.10 = 11,464.79/x
  3. Step 3: Cross multiply
    19,962.63x = 27,548.10 × 11,464.79
  4. Step 4: Simplify right side
    19,962.63x = 315,833,043.66
  5. Step 5: Solve for x
    x = 315,833,043.66/19,962.63
  6. Step 6: Final answer
    x = 15,821.21

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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.