Home / 19,685.59-27,165.04-11,302.09

Finding the Fourth Proportional to 19,685.59, 27,165.04 and 11,302.09

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Solution

The fourth proportional to 19,685.59, 27,165.04 and 11,302.09 is: 15,596.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,685.59 : 27,165.04 = 11,302.09 : x
  2. Step 2: Convert to fraction form
    19,685.59/27,165.04 = 11,302.09/x
  3. Step 3: Cross multiply
    19,685.59x = 27,165.04 × 11,302.09
  4. Step 4: Simplify right side
    19,685.59x = 307,021,726.93
  5. Step 5: Solve for x
    x = 307,021,726.93/19,685.59
  6. Step 6: Final answer
    x = 15,596.27

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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.